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Finding the Fourth Proportional to 15,993.25, 23,988.99 and 4,899.93

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Solution

The fourth proportional to 15,993.25, 23,988.99 and 4,899.93 is: 7,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.25 : 23,988.99 = 4,899.93 : x
  2. Step 2: Convert to fraction form
    15,993.25/23,988.99 = 4,899.93/x
  3. Step 3: Cross multiply
    15,993.25x = 23,988.99 × 4,899.93
  4. Step 4: Simplify right side
    15,993.25x = 117,544,300.19
  5. Step 5: Solve for x
    x = 117,544,300.19/15,993.25
  6. Step 6: Final answer
    x = 7,349.62

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.