Home / 18,126.01-27,158.91-12,834.87

Finding the Fourth Proportional to 18,126.01, 27,158.91 and 12,834.87

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Solution

The fourth proportional to 18,126.01, 27,158.91 and 12,834.87 is: 19,230.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.01 : 27,158.91 = 12,834.87 : x
  2. Step 2: Convert to fraction form
    18,126.01/27,158.91 = 12,834.87/x
  3. Step 3: Cross multiply
    18,126.01x = 27,158.91 × 12,834.87
  4. Step 4: Simplify right side
    18,126.01x = 348,581,079.19
  5. Step 5: Solve for x
    x = 348,581,079.19/18,126.01
  6. Step 6: Final answer
    x = 19,230.99

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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.