Home / 9,039.60-13,549.68-6,441.12

Finding the Fourth Proportional to 9,039.60, 13,549.68 and 6,441.12

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Solution

The fourth proportional to 9,039.60, 13,549.68 and 6,441.12 is: 9,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.60 : 13,549.68 = 6,441.12 : x
  2. Step 2: Convert to fraction form
    9,039.60/13,549.68 = 6,441.12/x
  3. Step 3: Cross multiply
    9,039.60x = 13,549.68 × 6,441.12
  4. Step 4: Simplify right side
    9,039.60x = 87,275,114.84
  5. Step 5: Solve for x
    x = 87,275,114.84/9,039.60
  6. Step 6: Final answer
    x = 9,654.75

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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.