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Finding the Fourth Proportional to 9,753.60, 14,613.60 and 4,548.80

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Solution

The fourth proportional to 9,753.60, 14,613.60 and 4,548.80 is: 6,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,753.60 : 14,613.60 = 4,548.80 : x
  2. Step 2: Convert to fraction form
    9,753.60/14,613.60 = 4,548.80/x
  3. Step 3: Cross multiply
    9,753.60x = 14,613.60 × 4,548.80
  4. Step 4: Simplify right side
    9,753.60x = 66,474,343.68
  5. Step 5: Solve for x
    x = 66,474,343.68/9,753.60
  6. Step 6: Final answer
    x = 6,815.36

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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.