Home / 18,446.40-27,665.91-5,295.69

Finding the Fourth Proportional to 18,446.40, 27,665.91 and 5,295.69

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Solution

The fourth proportional to 18,446.40, 27,665.91 and 5,295.69 is: 7,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.40 : 27,665.91 = 5,295.69 : x
  2. Step 2: Convert to fraction form
    18,446.40/27,665.91 = 5,295.69/x
  3. Step 3: Cross multiply
    18,446.40x = 27,665.91 × 5,295.69
  4. Step 4: Simplify right side
    18,446.40x = 146,510,082.93
  5. Step 5: Solve for x
    x = 146,510,082.93/18,446.40
  6. Step 6: Final answer
    x = 7,942.48

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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.