Home / 9,956.20-14,934.30-8,861.80

Finding the Fourth Proportional to 9,956.20, 14,934.30 and 8,861.80

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Solution

The fourth proportional to 9,956.20, 14,934.30 and 8,861.80 is: 13,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.20 : 14,934.30 = 8,861.80 : x
  2. Step 2: Convert to fraction form
    9,956.20/14,934.30 = 8,861.80/x
  3. Step 3: Cross multiply
    9,956.20x = 14,934.30 × 8,861.80
  4. Step 4: Simplify right side
    9,956.20x = 132,344,779.74
  5. Step 5: Solve for x
    x = 132,344,779.74/9,956.20
  6. Step 6: Final answer
    x = 13,292.70

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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.