Home / 18,325.38-27,472.68-12,762.30

Finding the Fourth Proportional to 18,325.38, 27,472.68 and 12,762.30

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Solution

The fourth proportional to 18,325.38, 27,472.68 and 12,762.30 is: 19,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.38 : 27,472.68 = 12,762.30 : x
  2. Step 2: Convert to fraction form
    18,325.38/27,472.68 = 12,762.30/x
  3. Step 3: Cross multiply
    18,325.38x = 27,472.68 × 12,762.30
  4. Step 4: Simplify right side
    18,325.38x = 350,614,583.96
  5. Step 5: Solve for x
    x = 350,614,583.96/18,325.38
  6. Step 6: Final answer
    x = 19,132.73

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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.