Home / 8,812.48-13,217.76-6,635.20

Finding the Fourth Proportional to 8,812.48, 13,217.76 and 6,635.20

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Solution

The fourth proportional to 8,812.48, 13,217.76 and 6,635.20 is: 9,952.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.48 : 13,217.76 = 6,635.20 : x
  2. Step 2: Convert to fraction form
    8,812.48/13,217.76 = 6,635.20/x
  3. Step 3: Cross multiply
    8,812.48x = 13,217.76 × 6,635.20
  4. Step 4: Simplify right side
    8,812.48x = 87,702,481.15
  5. Step 5: Solve for x
    x = 87,702,481.15/8,812.48
  6. Step 6: Final answer
    x = 9,952.08

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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.