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Finding the Fourth Proportional to 10,402.59, 15,603.28 and 3,006.89

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Solution

The fourth proportional to 10,402.59, 15,603.28 and 3,006.89 is: 4,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.59 : 15,603.28 = 3,006.89 : x
  2. Step 2: Convert to fraction form
    10,402.59/15,603.28 = 3,006.89/x
  3. Step 3: Cross multiply
    10,402.59x = 15,603.28 × 3,006.89
  4. Step 4: Simplify right side
    10,402.59x = 46,917,253.55
  5. Step 5: Solve for x
    x = 46,917,253.55/10,402.59
  6. Step 6: Final answer
    x = 4,510.15

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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.