Home / 9,486.20-14,229.30-3,330.20

Finding the Fourth Proportional to 9,486.20, 14,229.30 and 3,330.20

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Solution

The fourth proportional to 9,486.20, 14,229.30 and 3,330.20 is: 4,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.20 : 14,229.30 = 3,330.20 : x
  2. Step 2: Convert to fraction form
    9,486.20/14,229.30 = 3,330.20/x
  3. Step 3: Cross multiply
    9,486.20x = 14,229.30 × 3,330.20
  4. Step 4: Simplify right side
    9,486.20x = 47,386,414.86
  5. Step 5: Solve for x
    x = 47,386,414.86/9,486.20
  6. Step 6: Final answer
    x = 4,995.30

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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.