Home / 18,079.10-27,122.74-9,758.86

Finding the Fourth Proportional to 18,079.10, 27,122.74 and 9,758.86

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Solution

The fourth proportional to 18,079.10, 27,122.74 and 9,758.86 is: 14,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.10 : 27,122.74 = 9,758.86 : x
  2. Step 2: Convert to fraction form
    18,079.10/27,122.74 = 9,758.86/x
  3. Step 3: Cross multiply
    18,079.10x = 27,122.74 × 9,758.86
  4. Step 4: Simplify right side
    18,079.10x = 264,687,022.48
  5. Step 5: Solve for x
    x = 264,687,022.48/18,079.10
  6. Step 6: Final answer
    x = 14,640.50

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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.