Home / 9,685.26-13,340.23-7,442.87

Finding the Fourth Proportional to 9,685.26, 13,340.23 and 7,442.87

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Solution

The fourth proportional to 9,685.26, 13,340.23 and 7,442.87 is: 10,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.26 : 13,340.23 = 7,442.87 : x
  2. Step 2: Convert to fraction form
    9,685.26/13,340.23 = 7,442.87/x
  3. Step 3: Cross multiply
    9,685.26x = 13,340.23 × 7,442.87
  4. Step 4: Simplify right side
    9,685.26x = 99,289,512.35
  5. Step 5: Solve for x
    x = 99,289,512.35/9,685.26
  6. Step 6: Final answer
    x = 10,251.61

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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.