Home / 21,184.61-29,234.75-11,624.56

Finding the Fourth Proportional to 21,184.61, 29,234.75 and 11,624.56

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Solution

The fourth proportional to 21,184.61, 29,234.75 and 11,624.56 is: 16,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.61 : 29,234.75 = 11,624.56 : x
  2. Step 2: Convert to fraction form
    21,184.61/29,234.75 = 11,624.56/x
  3. Step 3: Cross multiply
    21,184.61x = 29,234.75 × 11,624.56
  4. Step 4: Simplify right side
    21,184.61x = 339,841,061.43
  5. Step 5: Solve for x
    x = 339,841,061.43/21,184.61
  6. Step 6: Final answer
    x = 16,041.88

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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.