Home / 10,688.40-16,033.20-3,293.16

Finding the Fourth Proportional to 10,688.40, 16,033.20 and 3,293.16

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Solution

The fourth proportional to 10,688.40, 16,033.20 and 3,293.16 is: 4,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.40 : 16,033.20 = 3,293.16 : x
  2. Step 2: Convert to fraction form
    10,688.40/16,033.20 = 3,293.16/x
  3. Step 3: Cross multiply
    10,688.40x = 16,033.20 × 3,293.16
  4. Step 4: Simplify right side
    10,688.40x = 52,799,892.91
  5. Step 5: Solve for x
    x = 52,799,892.91/10,688.40
  6. Step 6: Final answer
    x = 4,939.92

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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.