Home / 20,180.88-30,271.86-9,652.14

Finding the Fourth Proportional to 20,180.88, 30,271.86 and 9,652.14

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Solution

The fourth proportional to 20,180.88, 30,271.86 and 9,652.14 is: 14,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.88 : 30,271.86 = 9,652.14 : x
  2. Step 2: Convert to fraction form
    20,180.88/30,271.86 = 9,652.14/x
  3. Step 3: Cross multiply
    20,180.88x = 30,271.86 × 9,652.14
  4. Step 4: Simplify right side
    20,180.88x = 292,188,230.78
  5. Step 5: Solve for x
    x = 292,188,230.78/20,180.88
  6. Step 6: Final answer
    x = 14,478.47

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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.