Home / 22,560.56-31,123.24-14,605.35

Finding the Fourth Proportional to 22,560.56, 31,123.24 and 14,605.35

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Solution

The fourth proportional to 22,560.56, 31,123.24 and 14,605.35 is: 20,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,560.56 : 31,123.24 = 14,605.35 : x
  2. Step 2: Convert to fraction form
    22,560.56/31,123.24 = 14,605.35/x
  3. Step 3: Cross multiply
    22,560.56x = 31,123.24 × 14,605.35
  4. Step 4: Simplify right side
    22,560.56x = 454,565,660.11
  5. Step 5: Solve for x
    x = 454,565,660.11/22,560.56
  6. Step 6: Final answer
    x = 20,148.69

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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.