Home / 8,746.20-13,151.70-7,320.60

Finding the Fourth Proportional to 8,746.20, 13,151.70 and 7,320.60

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Solution

The fourth proportional to 8,746.20, 13,151.70 and 7,320.60 is: 11,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.20 : 13,151.70 = 7,320.60 : x
  2. Step 2: Convert to fraction form
    8,746.20/13,151.70 = 7,320.60/x
  3. Step 3: Cross multiply
    8,746.20x = 13,151.70 × 7,320.60
  4. Step 4: Simplify right side
    8,746.20x = 96,278,335.02
  5. Step 5: Solve for x
    x = 96,278,335.02/8,746.20
  6. Step 6: Final answer
    x = 11,008.02

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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.