Home / 10,340.92-15,502.38-6,644.20

Finding the Fourth Proportional to 10,340.92, 15,502.38 and 6,644.20

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Solution

The fourth proportional to 10,340.92, 15,502.38 and 6,644.20 is: 9,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.92 : 15,502.38 = 6,644.20 : x
  2. Step 2: Convert to fraction form
    10,340.92/15,502.38 = 6,644.20/x
  3. Step 3: Cross multiply
    10,340.92x = 15,502.38 × 6,644.20
  4. Step 4: Simplify right side
    10,340.92x = 103,000,913.20
  5. Step 5: Solve for x
    x = 103,000,913.20/10,340.92
  6. Step 6: Final answer
    x = 9,960.52

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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.