Home / 18,116.92-27,170.45-4,966.16

Finding the Fourth Proportional to 18,116.92, 27,170.45 and 4,966.16

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Solution

The fourth proportional to 18,116.92, 27,170.45 and 4,966.16 is: 7,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.92 : 27,170.45 = 4,966.16 : x
  2. Step 2: Convert to fraction form
    18,116.92/27,170.45 = 4,966.16/x
  3. Step 3: Cross multiply
    18,116.92x = 27,170.45 × 4,966.16
  4. Step 4: Simplify right side
    18,116.92x = 134,932,777.14
  5. Step 5: Solve for x
    x = 134,932,777.14/18,116.92
  6. Step 6: Final answer
    x = 7,447.89

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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.