Home / 18,123.32-27,154.24-8,767.76

Finding the Fourth Proportional to 18,123.32, 27,154.24 and 8,767.76

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Solution

The fourth proportional to 18,123.32, 27,154.24 and 8,767.76 is: 13,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.32 : 27,154.24 = 8,767.76 : x
  2. Step 2: Convert to fraction form
    18,123.32/27,154.24 = 8,767.76/x
  3. Step 3: Cross multiply
    18,123.32x = 27,154.24 × 8,767.76
  4. Step 4: Simplify right side
    18,123.32x = 238,081,859.30
  5. Step 5: Solve for x
    x = 238,081,859.30/18,123.32
  6. Step 6: Final answer
    x = 13,136.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.