Home / 18,117.03-27,182.04-8,256.63

Finding the Fourth Proportional to 18,117.03, 27,182.04 and 8,256.63

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Solution

The fourth proportional to 18,117.03, 27,182.04 and 8,256.63 is: 12,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.03 : 27,182.04 = 8,256.63 : x
  2. Step 2: Convert to fraction form
    18,117.03/27,182.04 = 8,256.63/x
  3. Step 3: Cross multiply
    18,117.03x = 27,182.04 × 8,256.63
  4. Step 4: Simplify right side
    18,117.03x = 224,432,046.93
  5. Step 5: Solve for x
    x = 224,432,046.93/18,117.03
  6. Step 6: Final answer
    x = 12,387.91

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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.