Home / 10,237.85-15,387.07-8,494.17

Finding the Fourth Proportional to 10,237.85, 15,387.07 and 8,494.17

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Solution

The fourth proportional to 10,237.85, 15,387.07 and 8,494.17 is: 12,766.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.85 : 15,387.07 = 8,494.17 : x
  2. Step 2: Convert to fraction form
    10,237.85/15,387.07 = 8,494.17/x
  3. Step 3: Cross multiply
    10,237.85x = 15,387.07 × 8,494.17
  4. Step 4: Simplify right side
    10,237.85x = 130,700,311.45
  5. Step 5: Solve for x
    x = 130,700,311.45/10,237.85
  6. Step 6: Final answer
    x = 12,766.38

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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.