Home / 12,250.77-18,359.13-6,395.70

Finding the Fourth Proportional to 12,250.77, 18,359.13 and 6,395.70

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Solution

The fourth proportional to 12,250.77, 18,359.13 and 6,395.70 is: 9,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.77 : 18,359.13 = 6,395.70 : x
  2. Step 2: Convert to fraction form
    12,250.77/18,359.13 = 6,395.70/x
  3. Step 3: Cross multiply
    12,250.77x = 18,359.13 × 6,395.70
  4. Step 4: Simplify right side
    12,250.77x = 117,419,487.74
  5. Step 5: Solve for x
    x = 117,419,487.74/12,250.77
  6. Step 6: Final answer
    x = 9,584.66

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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.