Home / 22,322.52-30,805.56-13,379.40

Finding the Fourth Proportional to 22,322.52, 30,805.56 and 13,379.40

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Solution

The fourth proportional to 22,322.52, 30,805.56 and 13,379.40 is: 18,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,322.52 : 30,805.56 = 13,379.40 : x
  2. Step 2: Convert to fraction form
    22,322.52/30,805.56 = 13,379.40/x
  3. Step 3: Cross multiply
    22,322.52x = 30,805.56 × 13,379.40
  4. Step 4: Simplify right side
    22,322.52x = 412,159,909.46
  5. Step 5: Solve for x
    x = 412,159,909.46/22,322.52
  6. Step 6: Final answer
    x = 18,463.86

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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.