Home / 10,490.26-15,732.96-4,248.55

Finding the Fourth Proportional to 10,490.26, 15,732.96 and 4,248.55

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Solution

The fourth proportional to 10,490.26, 15,732.96 and 4,248.55 is: 6,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.26 : 15,732.96 = 4,248.55 : x
  2. Step 2: Convert to fraction form
    10,490.26/15,732.96 = 4,248.55/x
  3. Step 3: Cross multiply
    10,490.26x = 15,732.96 × 4,248.55
  4. Step 4: Simplify right side
    10,490.26x = 66,842,267.21
  5. Step 5: Solve for x
    x = 66,842,267.21/10,490.26
  6. Step 6: Final answer
    x = 6,371.84

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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.