Home / 14,612.40-20,167.92-9,313.20

Finding the Fourth Proportional to 14,612.40, 20,167.92 and 9,313.20

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Solution

The fourth proportional to 14,612.40, 20,167.92 and 9,313.20 is: 12,854.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.40 : 20,167.92 = 9,313.20 : x
  2. Step 2: Convert to fraction form
    14,612.40/20,167.92 = 9,313.20/x
  3. Step 3: Cross multiply
    14,612.40x = 20,167.92 × 9,313.20
  4. Step 4: Simplify right side
    14,612.40x = 187,827,872.54
  5. Step 5: Solve for x
    x = 187,827,872.54/14,612.40
  6. Step 6: Final answer
    x = 12,854.01

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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.