Home / 11,292.28-16,944.46-8,499.76

Finding the Fourth Proportional to 11,292.28, 16,944.46 and 8,499.76

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Solution

The fourth proportional to 11,292.28, 16,944.46 and 8,499.76 is: 12,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.28 : 16,944.46 = 8,499.76 : x
  2. Step 2: Convert to fraction form
    11,292.28/16,944.46 = 8,499.76/x
  3. Step 3: Cross multiply
    11,292.28x = 16,944.46 × 8,499.76
  4. Step 4: Simplify right side
    11,292.28x = 144,023,779.72
  5. Step 5: Solve for x
    x = 144,023,779.72/11,292.28
  6. Step 6: Final answer
    x = 12,754.18

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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.