Home / 18,910.32-26,099.40-10,957.38

Finding the Fourth Proportional to 18,910.32, 26,099.40 and 10,957.38

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Solution

The fourth proportional to 18,910.32, 26,099.40 and 10,957.38 is: 15,123.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.32 : 26,099.40 = 10,957.38 : x
  2. Step 2: Convert to fraction form
    18,910.32/26,099.40 = 10,957.38/x
  3. Step 3: Cross multiply
    18,910.32x = 26,099.40 × 10,957.38
  4. Step 4: Simplify right side
    18,910.32x = 285,981,043.57
  5. Step 5: Solve for x
    x = 285,981,043.57/18,910.32
  6. Step 6: Final answer
    x = 15,123.01

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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.