Home / 8,854.20-13,281.30-7,444.80

Finding the Fourth Proportional to 8,854.20, 13,281.30 and 7,444.80

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Solution

The fourth proportional to 8,854.20, 13,281.30 and 7,444.80 is: 11,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.20 : 13,281.30 = 7,444.80 : x
  2. Step 2: Convert to fraction form
    8,854.20/13,281.30 = 7,444.80/x
  3. Step 3: Cross multiply
    8,854.20x = 13,281.30 × 7,444.80
  4. Step 4: Simplify right side
    8,854.20x = 98,876,622.24
  5. Step 5: Solve for x
    x = 98,876,622.24/8,854.20
  6. Step 6: Final answer
    x = 11,167.20

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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.