Home / 10,263.16-15,391.50-4,418.20

Finding the Fourth Proportional to 10,263.16, 15,391.50 and 4,418.20

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Solution

The fourth proportional to 10,263.16, 15,391.50 and 4,418.20 is: 6,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.16 : 15,391.50 = 4,418.20 : x
  2. Step 2: Convert to fraction form
    10,263.16/15,391.50 = 4,418.20/x
  3. Step 3: Cross multiply
    10,263.16x = 15,391.50 × 4,418.20
  4. Step 4: Simplify right side
    10,263.16x = 68,002,725.30
  5. Step 5: Solve for x
    x = 68,002,725.30/10,263.16
  6. Step 6: Final answer
    x = 6,625.91

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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.