Home / 16,760.88-25,140.93-8,438.66

Finding the Fourth Proportional to 16,760.88, 25,140.93 and 8,438.66

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Solution

The fourth proportional to 16,760.88, 25,140.93 and 8,438.66 is: 12,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,760.88 : 25,140.93 = 8,438.66 : x
  2. Step 2: Convert to fraction form
    16,760.88/25,140.93 = 8,438.66/x
  3. Step 3: Cross multiply
    16,760.88x = 25,140.93 × 8,438.66
  4. Step 4: Simplify right side
    16,760.88x = 212,155,909.90
  5. Step 5: Solve for x
    x = 212,155,909.90/16,760.88
  6. Step 6: Final answer
    x = 12,657.80

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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.