Home / 8,820.24-12,169.16-6,020.88

Finding the Fourth Proportional to 8,820.24, 12,169.16 and 6,020.88

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Solution

The fourth proportional to 8,820.24, 12,169.16 and 6,020.88 is: 8,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.24 : 12,169.16 = 6,020.88 : x
  2. Step 2: Convert to fraction form
    8,820.24/12,169.16 = 6,020.88/x
  3. Step 3: Cross multiply
    8,820.24x = 12,169.16 × 6,020.88
  4. Step 4: Simplify right side
    8,820.24x = 73,269,052.06
  5. Step 5: Solve for x
    x = 73,269,052.06/8,820.24
  6. Step 6: Final answer
    x = 8,306.92

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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.