Home / 8,169.60-12,246.30-4,006.20

Finding the Fourth Proportional to 8,169.60, 12,246.30 and 4,006.20

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Solution

The fourth proportional to 8,169.60, 12,246.30 and 4,006.20 is: 6,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.60 : 12,246.30 = 4,006.20 : x
  2. Step 2: Convert to fraction form
    8,169.60/12,246.30 = 4,006.20/x
  3. Step 3: Cross multiply
    8,169.60x = 12,246.30 × 4,006.20
  4. Step 4: Simplify right side
    8,169.60x = 49,061,127.06
  5. Step 5: Solve for x
    x = 49,061,127.06/8,169.60
  6. Step 6: Final answer
    x = 6,005.33

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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.