Home / 10,657.11-15,985.68-3,729.99

Finding the Fourth Proportional to 10,657.11, 15,985.68 and 3,729.99

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Solution

The fourth proportional to 10,657.11, 15,985.68 and 3,729.99 is: 5,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.11 : 15,985.68 = 3,729.99 : x
  2. Step 2: Convert to fraction form
    10,657.11/15,985.68 = 3,729.99/x
  3. Step 3: Cross multiply
    10,657.11x = 15,985.68 × 3,729.99
  4. Step 4: Simplify right side
    10,657.11x = 59,626,426.54
  5. Step 5: Solve for x
    x = 59,626,426.54/10,657.11
  6. Step 6: Final answer
    x = 5,594.99

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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.