Home / 18,155.79-27,244.17-7,624.89

Finding the Fourth Proportional to 18,155.79, 27,244.17 and 7,624.89

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Solution

The fourth proportional to 18,155.79, 27,244.17 and 7,624.89 is: 11,441.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.79 : 27,244.17 = 7,624.89 : x
  2. Step 2: Convert to fraction form
    18,155.79/27,244.17 = 7,624.89/x
  3. Step 3: Cross multiply
    18,155.79x = 27,244.17 × 7,624.89
  4. Step 4: Simplify right side
    18,155.79x = 207,733,799.39
  5. Step 5: Solve for x
    x = 207,733,799.39/18,155.79
  6. Step 6: Final answer
    x = 11,441.74

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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.