Home / 22,545.21-31,112.13-12,473.57

Finding the Fourth Proportional to 22,545.21, 31,112.13 and 12,473.57

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Solution

The fourth proportional to 22,545.21, 31,112.13 and 12,473.57 is: 17,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,545.21 : 31,112.13 = 12,473.57 : x
  2. Step 2: Convert to fraction form
    22,545.21/31,112.13 = 12,473.57/x
  3. Step 3: Cross multiply
    22,545.21x = 31,112.13 × 12,473.57
  4. Step 4: Simplify right side
    22,545.21x = 388,079,263.21
  5. Step 5: Solve for x
    x = 388,079,263.21/22,545.21
  6. Step 6: Final answer
    x = 17,213.38

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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.