Home / 12,521.08-18,778.69-5,862.17

Finding the Fourth Proportional to 12,521.08, 18,778.69 and 5,862.17

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Solution

The fourth proportional to 12,521.08, 18,778.69 and 5,862.17 is: 8,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.08 : 18,778.69 = 5,862.17 : x
  2. Step 2: Convert to fraction form
    12,521.08/18,778.69 = 5,862.17/x
  3. Step 3: Cross multiply
    12,521.08x = 18,778.69 × 5,862.17
  4. Step 4: Simplify right side
    12,521.08x = 110,083,894.46
  5. Step 5: Solve for x
    x = 110,083,894.46/12,521.08
  6. Step 6: Final answer
    x = 8,791.88

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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.