Home / 10,633.28-14,674.40-8,861.92

Finding the Fourth Proportional to 10,633.28, 14,674.40 and 8,861.92

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Solution

The fourth proportional to 10,633.28, 14,674.40 and 8,861.92 is: 12,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.28 : 14,674.40 = 8,861.92 : x
  2. Step 2: Convert to fraction form
    10,633.28/14,674.40 = 8,861.92/x
  3. Step 3: Cross multiply
    10,633.28x = 14,674.40 × 8,861.92
  4. Step 4: Simplify right side
    10,633.28x = 130,043,358.85
  5. Step 5: Solve for x
    x = 130,043,358.85/10,633.28
  6. Step 6: Final answer
    x = 12,229.84

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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.