Home / 8,019.12-12,029.28-2,176.20

Finding the Fourth Proportional to 8,019.12, 12,029.28 and 2,176.20

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Solution

The fourth proportional to 8,019.12, 12,029.28 and 2,176.20 is: 3,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.12 : 12,029.28 = 2,176.20 : x
  2. Step 2: Convert to fraction form
    8,019.12/12,029.28 = 2,176.20/x
  3. Step 3: Cross multiply
    8,019.12x = 12,029.28 × 2,176.20
  4. Step 4: Simplify right side
    8,019.12x = 26,178,119.14
  5. Step 5: Solve for x
    x = 26,178,119.14/8,019.12
  6. Step 6: Final answer
    x = 3,264.46

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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.