Home / 11,625.20-16,042.78-6,320.01

Finding the Fourth Proportional to 11,625.20, 16,042.78 and 6,320.01

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Solution

The fourth proportional to 11,625.20, 16,042.78 and 6,320.01 is: 8,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.20 : 16,042.78 = 6,320.01 : x
  2. Step 2: Convert to fraction form
    11,625.20/16,042.78 = 6,320.01/x
  3. Step 3: Cross multiply
    11,625.20x = 16,042.78 × 6,320.01
  4. Step 4: Simplify right side
    11,625.20x = 101,390,593.30
  5. Step 5: Solve for x
    x = 101,390,593.30/11,625.20
  6. Step 6: Final answer
    x = 8,721.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.