Home / 18,025.12-24,846.24-12,711.52

Finding the Fourth Proportional to 18,025.12, 24,846.24 and 12,711.52

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Solution

The fourth proportional to 18,025.12, 24,846.24 and 12,711.52 is: 17,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.12 : 24,846.24 = 12,711.52 : x
  2. Step 2: Convert to fraction form
    18,025.12/24,846.24 = 12,711.52/x
  3. Step 3: Cross multiply
    18,025.12x = 24,846.24 × 12,711.52
  4. Step 4: Simplify right side
    18,025.12x = 315,833,476.68
  5. Step 5: Solve for x
    x = 315,833,476.68/18,025.12
  6. Step 6: Final answer
    x = 17,521.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.