Home / 22,494.66-31,041.27-13,545.06

Finding the Fourth Proportional to 22,494.66, 31,041.27 and 13,545.06

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Solution

The fourth proportional to 22,494.66, 31,041.27 and 13,545.06 is: 18,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,494.66 : 31,041.27 = 13,545.06 : x
  2. Step 2: Convert to fraction form
    22,494.66/31,041.27 = 13,545.06/x
  3. Step 3: Cross multiply
    22,494.66x = 31,041.27 × 13,545.06
  4. Step 4: Simplify right side
    22,494.66x = 420,455,864.63
  5. Step 5: Solve for x
    x = 420,455,864.63/22,494.66
  6. Step 6: Final answer
    x = 18,691.36

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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.