Home / 22,552.57-31,122.93-12,480.76

Finding the Fourth Proportional to 22,552.57, 31,122.93 and 12,480.76

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Solution

The fourth proportional to 22,552.57, 31,122.93 and 12,480.76 is: 17,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,552.57 : 31,122.93 = 12,480.76 : x
  2. Step 2: Convert to fraction form
    22,552.57/31,122.93 = 12,480.76/x
  3. Step 3: Cross multiply
    22,552.57x = 31,122.93 × 12,480.76
  4. Step 4: Simplify right side
    22,552.57x = 388,437,819.83
  5. Step 5: Solve for x
    x = 388,437,819.83/22,552.57
  6. Step 6: Final answer
    x = 17,223.66

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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.