Home / 18,132.91-27,210.15-9,812.76

Finding the Fourth Proportional to 18,132.91, 27,210.15 and 9,812.76

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Solution

The fourth proportional to 18,132.91, 27,210.15 and 9,812.76 is: 14,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.91 : 27,210.15 = 9,812.76 : x
  2. Step 2: Convert to fraction form
    18,132.91/27,210.15 = 9,812.76/x
  3. Step 3: Cross multiply
    18,132.91x = 27,210.15 × 9,812.76
  4. Step 4: Simplify right side
    18,132.91x = 267,006,671.51
  5. Step 5: Solve for x
    x = 267,006,671.51/18,132.91
  6. Step 6: Final answer
    x = 14,724.98

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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.