Home / 8,017.40-12,019.61-3,340.92

Finding the Fourth Proportional to 8,017.40, 12,019.61 and 3,340.92

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Solution

The fourth proportional to 8,017.40, 12,019.61 and 3,340.92 is: 5,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.40 : 12,019.61 = 3,340.92 : x
  2. Step 2: Convert to fraction form
    8,017.40/12,019.61 = 3,340.92/x
  3. Step 3: Cross multiply
    8,017.40x = 12,019.61 × 3,340.92
  4. Step 4: Simplify right side
    8,017.40x = 40,156,538.74
  5. Step 5: Solve for x
    x = 40,156,538.74/8,017.40
  6. Step 6: Final answer
    x = 5,008.68

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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.