Home / 16,218.43-22,381.45-9,502.72

Finding the Fourth Proportional to 16,218.43, 22,381.45 and 9,502.72

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Solution

The fourth proportional to 16,218.43, 22,381.45 and 9,502.72 is: 13,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.43 : 22,381.45 = 9,502.72 : x
  2. Step 2: Convert to fraction form
    16,218.43/22,381.45 = 9,502.72/x
  3. Step 3: Cross multiply
    16,218.43x = 22,381.45 × 9,502.72
  4. Step 4: Simplify right side
    16,218.43x = 212,684,572.83
  5. Step 5: Solve for x
    x = 212,684,572.83/16,218.43
  6. Step 6: Final answer
    x = 13,113.76

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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.