Home / 18,127.62-27,193.65-6,442.02

Finding the Fourth Proportional to 18,127.62, 27,193.65 and 6,442.02

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Solution

The fourth proportional to 18,127.62, 27,193.65 and 6,442.02 is: 9,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.62 : 27,193.65 = 6,442.02 : x
  2. Step 2: Convert to fraction form
    18,127.62/27,193.65 = 6,442.02/x
  3. Step 3: Cross multiply
    18,127.62x = 27,193.65 × 6,442.02
  4. Step 4: Simplify right side
    18,127.62x = 175,182,037.17
  5. Step 5: Solve for x
    x = 175,182,037.17/18,127.62
  6. Step 6: Final answer
    x = 9,663.82

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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.