Home / 9,034.40-13,517.78-8,559.75

Finding the Fourth Proportional to 9,034.40, 13,517.78 and 8,559.75

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Solution

The fourth proportional to 9,034.40, 13,517.78 and 8,559.75 is: 12,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,034.40 : 13,517.78 = 8,559.75 : x
  2. Step 2: Convert to fraction form
    9,034.40/13,517.78 = 8,559.75/x
  3. Step 3: Cross multiply
    9,034.40x = 13,517.78 × 8,559.75
  4. Step 4: Simplify right side
    9,034.40x = 115,708,825.25
  5. Step 5: Solve for x
    x = 115,708,825.25/9,034.40
  6. Step 6: Final answer
    x = 12,807.58

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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.