Home / 10,165.30-15,255.24-4,326.04

Finding the Fourth Proportional to 10,165.30, 15,255.24 and 4,326.04

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Solution

The fourth proportional to 10,165.30, 15,255.24 and 4,326.04 is: 6,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.30 : 15,255.24 = 4,326.04 : x
  2. Step 2: Convert to fraction form
    10,165.30/15,255.24 = 4,326.04/x
  3. Step 3: Cross multiply
    10,165.30x = 15,255.24 × 4,326.04
  4. Step 4: Simplify right side
    10,165.30x = 65,994,778.45
  5. Step 5: Solve for x
    x = 65,994,778.45/10,165.30
  6. Step 6: Final answer
    x = 6,492.16

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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.