Home / 12,247.92-16,909.29-8,887.50

Finding the Fourth Proportional to 12,247.92, 16,909.29 and 8,887.50

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Solution

The fourth proportional to 12,247.92, 16,909.29 and 8,887.50 is: 12,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.92 : 16,909.29 = 8,887.50 : x
  2. Step 2: Convert to fraction form
    12,247.92/16,909.29 = 8,887.50/x
  3. Step 3: Cross multiply
    12,247.92x = 16,909.29 × 8,887.50
  4. Step 4: Simplify right side
    12,247.92x = 150,281,314.88
  5. Step 5: Solve for x
    x = 150,281,314.88/12,247.92
  6. Step 6: Final answer
    x = 12,269.95

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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.