Home / 20,339.16-30,517.71-7,014.18

Finding the Fourth Proportional to 20,339.16, 30,517.71 and 7,014.18

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Solution

The fourth proportional to 20,339.16, 30,517.71 and 7,014.18 is: 10,524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,339.16 : 30,517.71 = 7,014.18 : x
  2. Step 2: Convert to fraction form
    20,339.16/30,517.71 = 7,014.18/x
  3. Step 3: Cross multiply
    20,339.16x = 30,517.71 × 7,014.18
  4. Step 4: Simplify right side
    20,339.16x = 214,056,711.13
  5. Step 5: Solve for x
    x = 214,056,711.13/20,339.16
  6. Step 6: Final answer
    x = 10,524.36

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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.