Home / 9,039.14-12,463.39-7,245.18

Finding the Fourth Proportional to 9,039.14, 12,463.39 and 7,245.18

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Solution

The fourth proportional to 9,039.14, 12,463.39 and 7,245.18 is: 9,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.14 : 12,463.39 = 7,245.18 : x
  2. Step 2: Convert to fraction form
    9,039.14/12,463.39 = 7,245.18/x
  3. Step 3: Cross multiply
    9,039.14x = 12,463.39 × 7,245.18
  4. Step 4: Simplify right side
    9,039.14x = 90,299,517.01
  5. Step 5: Solve for x
    x = 90,299,517.01/9,039.14
  6. Step 6: Final answer
    x = 9,989.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.