Home / 10,538.47-15,806.11-3,963.12

Finding the Fourth Proportional to 10,538.47, 15,806.11 and 3,963.12

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Solution

The fourth proportional to 10,538.47, 15,806.11 and 3,963.12 is: 5,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.47 : 15,806.11 = 3,963.12 : x
  2. Step 2: Convert to fraction form
    10,538.47/15,806.11 = 3,963.12/x
  3. Step 3: Cross multiply
    10,538.47x = 15,806.11 × 3,963.12
  4. Step 4: Simplify right side
    10,538.47x = 62,641,500.76
  5. Step 5: Solve for x
    x = 62,641,500.76/10,538.47
  6. Step 6: Final answer
    x = 5,944.08

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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.