Home / 12,444.55-17,149.85-8,901.61

Finding the Fourth Proportional to 12,444.55, 17,149.85 and 8,901.61

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Solution

The fourth proportional to 12,444.55, 17,149.85 and 8,901.61 is: 12,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.55 : 17,149.85 = 8,901.61 : x
  2. Step 2: Convert to fraction form
    12,444.55/17,149.85 = 8,901.61/x
  3. Step 3: Cross multiply
    12,444.55x = 17,149.85 × 8,901.61
  4. Step 4: Simplify right side
    12,444.55x = 152,661,276.26
  5. Step 5: Solve for x
    x = 152,661,276.26/12,444.55
  6. Step 6: Final answer
    x = 12,267.32

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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.