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Finding the Fourth Proportional to 18,061.93, 24,924.49 and 9,995.23

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Solution

The fourth proportional to 18,061.93, 24,924.49 and 9,995.23 is: 13,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.93 : 24,924.49 = 9,995.23 : x
  2. Step 2: Convert to fraction form
    18,061.93/24,924.49 = 9,995.23/x
  3. Step 3: Cross multiply
    18,061.93x = 24,924.49 × 9,995.23
  4. Step 4: Simplify right side
    18,061.93x = 249,126,010.18
  5. Step 5: Solve for x
    x = 249,126,010.18/18,061.93
  6. Step 6: Final answer
    x = 13,792.88

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.