Home / 8,013.90-12,022.74-3,630.18

Finding the Fourth Proportional to 8,013.90, 12,022.74 and 3,630.18

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Solution

The fourth proportional to 8,013.90, 12,022.74 and 3,630.18 is: 5,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.90 : 12,022.74 = 3,630.18 : x
  2. Step 2: Convert to fraction form
    8,013.90/12,022.74 = 3,630.18/x
  3. Step 3: Cross multiply
    8,013.90x = 12,022.74 × 3,630.18
  4. Step 4: Simplify right side
    8,013.90x = 43,644,710.29
  5. Step 5: Solve for x
    x = 43,644,710.29/8,013.90
  6. Step 6: Final answer
    x = 5,446.13

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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.