Home / 22,649.45-31,251.27-13,696.76

Finding the Fourth Proportional to 22,649.45, 31,251.27 and 13,696.76

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Solution

The fourth proportional to 22,649.45, 31,251.27 and 13,696.76 is: 18,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,649.45 : 31,251.27 = 13,696.76 : x
  2. Step 2: Convert to fraction form
    22,649.45/31,251.27 = 13,696.76/x
  3. Step 3: Cross multiply
    22,649.45x = 31,251.27 × 13,696.76
  4. Step 4: Simplify right side
    22,649.45x = 428,041,144.89
  5. Step 5: Solve for x
    x = 428,041,144.89/22,649.45
  6. Step 6: Final answer
    x = 18,898.52

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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.