Home / 18,126.64-25,014.90-11,839

Finding the Fourth Proportional to 18,126.64, 25,014.90 and 11,839

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Solution

The fourth proportional to 18,126.64, 25,014.90 and 11,839 is: 16,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.64 : 25,014.90 = 11,839 : x
  2. Step 2: Convert to fraction form
    18,126.64/25,014.90 = 11,839/x
  3. Step 3: Cross multiply
    18,126.64x = 25,014.90 × 11,839
  4. Step 4: Simplify right side
    18,126.64x = 296,151,401.10
  5. Step 5: Solve for x
    x = 296,151,401.10/18,126.64
  6. Step 6: Final answer
    x = 16,337.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.