Home / 16,502.10-22,770.80-9,428.98

Finding the Fourth Proportional to 16,502.10, 22,770.80 and 9,428.98

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Solution

The fourth proportional to 16,502.10, 22,770.80 and 9,428.98 is: 13,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,502.10 : 22,770.80 = 9,428.98 : x
  2. Step 2: Convert to fraction form
    16,502.10/22,770.80 = 9,428.98/x
  3. Step 3: Cross multiply
    16,502.10x = 22,770.80 × 9,428.98
  4. Step 4: Simplify right side
    16,502.10x = 214,705,417.78
  5. Step 5: Solve for x
    x = 214,705,417.78/16,502.10
  6. Step 6: Final answer
    x = 13,010.79

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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.