Home / 14,654.40-20,222.60-8,366.77

Finding the Fourth Proportional to 14,654.40, 20,222.60 and 8,366.77

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Solution

The fourth proportional to 14,654.40, 20,222.60 and 8,366.77 is: 11,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.40 : 20,222.60 = 8,366.77 : x
  2. Step 2: Convert to fraction form
    14,654.40/20,222.60 = 8,366.77/x
  3. Step 3: Cross multiply
    14,654.40x = 20,222.60 × 8,366.77
  4. Step 4: Simplify right side
    14,654.40x = 169,197,872.64
  5. Step 5: Solve for x
    x = 169,197,872.64/14,654.40
  6. Step 6: Final answer
    x = 11,545.88

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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.