Home / 10,372.01-14,327.15-9,043.40

Finding the Fourth Proportional to 10,372.01, 14,327.15 and 9,043.40

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Solution

The fourth proportional to 10,372.01, 14,327.15 and 9,043.40 is: 12,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.01 : 14,327.15 = 9,043.40 : x
  2. Step 2: Convert to fraction form
    10,372.01/14,327.15 = 9,043.40/x
  3. Step 3: Cross multiply
    10,372.01x = 14,327.15 × 9,043.40
  4. Step 4: Simplify right side
    10,372.01x = 129,566,138.91
  5. Step 5: Solve for x
    x = 129,566,138.91/10,372.01
  6. Step 6: Final answer
    x = 12,491.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.