Home / 18,254.10-27,331.23-12,695.70

Finding the Fourth Proportional to 18,254.10, 27,331.23 and 12,695.70

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Solution

The fourth proportional to 18,254.10, 27,331.23 and 12,695.70 is: 19,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.10 : 27,331.23 = 12,695.70 : x
  2. Step 2: Convert to fraction form
    18,254.10/27,331.23 = 12,695.70/x
  3. Step 3: Cross multiply
    18,254.10x = 27,331.23 × 12,695.70
  4. Step 4: Simplify right side
    18,254.10x = 346,989,096.71
  5. Step 5: Solve for x
    x = 346,989,096.71/18,254.10
  6. Step 6: Final answer
    x = 19,008.83

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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.