Home / 12,037.92-16,612.29-6,660.78

Finding the Fourth Proportional to 12,037.92, 16,612.29 and 6,660.78

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Solution

The fourth proportional to 12,037.92, 16,612.29 and 6,660.78 is: 9,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037.92 : 16,612.29 = 6,660.78 : x
  2. Step 2: Convert to fraction form
    12,037.92/16,612.29 = 6,660.78/x
  3. Step 3: Cross multiply
    12,037.92x = 16,612.29 × 6,660.78
  4. Step 4: Simplify right side
    12,037.92x = 110,650,808.99
  5. Step 5: Solve for x
    x = 110,650,808.99/12,037.92
  6. Step 6: Final answer
    x = 9,191.85

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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.