Home / 14,501.20-21,708.60-8,654.80

Finding the Fourth Proportional to 14,501.20, 21,708.60 and 8,654.80

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Solution

The fourth proportional to 14,501.20, 21,708.60 and 8,654.80 is: 12,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.20 : 21,708.60 = 8,654.80 : x
  2. Step 2: Convert to fraction form
    14,501.20/21,708.60 = 8,654.80/x
  3. Step 3: Cross multiply
    14,501.20x = 21,708.60 × 8,654.80
  4. Step 4: Simplify right side
    14,501.20x = 187,883,591.28
  5. Step 5: Solve for x
    x = 187,883,591.28/14,501.20
  6. Step 6: Final answer
    x = 12,956.42

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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.