Home / 8,769.60-13,132.80-6,566.40

Finding the Fourth Proportional to 8,769.60, 13,132.80 and 6,566.40

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Solution

The fourth proportional to 8,769.60, 13,132.80 and 6,566.40 is: 9,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.60 : 13,132.80 = 6,566.40 : x
  2. Step 2: Convert to fraction form
    8,769.60/13,132.80 = 6,566.40/x
  3. Step 3: Cross multiply
    8,769.60x = 13,132.80 × 6,566.40
  4. Step 4: Simplify right side
    8,769.60x = 86,235,217.92
  5. Step 5: Solve for x
    x = 86,235,217.92/8,769.60
  6. Step 6: Final answer
    x = 9,833.43

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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.