Home / 14,520.31-21,725.45-8,600.38

Finding the Fourth Proportional to 14,520.31, 21,725.45 and 8,600.38

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Solution

The fourth proportional to 14,520.31, 21,725.45 and 8,600.38 is: 12,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.31 : 21,725.45 = 8,600.38 : x
  2. Step 2: Convert to fraction form
    14,520.31/21,725.45 = 8,600.38/x
  3. Step 3: Cross multiply
    14,520.31x = 21,725.45 × 8,600.38
  4. Step 4: Simplify right side
    14,520.31x = 186,847,060.61
  5. Step 5: Solve for x
    x = 186,847,060.61/14,520.31
  6. Step 6: Final answer
    x = 12,867.98

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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.