Home / 9,879.96-14,820.75-3,306.20

Finding the Fourth Proportional to 9,879.96, 14,820.75 and 3,306.20

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Solution

The fourth proportional to 9,879.96, 14,820.75 and 3,306.20 is: 4,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.96 : 14,820.75 = 3,306.20 : x
  2. Step 2: Convert to fraction form
    9,879.96/14,820.75 = 3,306.20/x
  3. Step 3: Cross multiply
    9,879.96x = 14,820.75 × 3,306.20
  4. Step 4: Simplify right side
    9,879.96x = 49,000,289.55
  5. Step 5: Solve for x
    x = 49,000,289.55/9,879.96
  6. Step 6: Final answer
    x = 4,959.56

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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.