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Finding the Fourth Proportional to 10,019.47, 15,030.21 and 3,444.79

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Solution

The fourth proportional to 10,019.47, 15,030.21 and 3,444.79 is: 5,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.47 : 15,030.21 = 3,444.79 : x
  2. Step 2: Convert to fraction form
    10,019.47/15,030.21 = 3,444.79/x
  3. Step 3: Cross multiply
    10,019.47x = 15,030.21 × 3,444.79
  4. Step 4: Simplify right side
    10,019.47x = 51,775,917.11
  5. Step 5: Solve for x
    x = 51,775,917.11/10,019.47
  6. Step 6: Final answer
    x = 5,167.53

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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.