Home / 14,387.73-21,589.82-7,814.49

Finding the Fourth Proportional to 14,387.73, 21,589.82 and 7,814.49

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Solution

The fourth proportional to 14,387.73, 21,589.82 and 7,814.49 is: 11,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.73 : 21,589.82 = 7,814.49 : x
  2. Step 2: Convert to fraction form
    14,387.73/21,589.82 = 7,814.49/x
  3. Step 3: Cross multiply
    14,387.73x = 21,589.82 × 7,814.49
  4. Step 4: Simplify right side
    14,387.73x = 168,713,432.49
  5. Step 5: Solve for x
    x = 168,713,432.49/14,387.73
  6. Step 6: Final answer
    x = 11,726.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.