Home / 10,571.30-15,845.49-6,876.17

Finding the Fourth Proportional to 10,571.30, 15,845.49 and 6,876.17

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Solution

The fourth proportional to 10,571.30, 15,845.49 and 6,876.17 is: 10,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.30 : 15,845.49 = 6,876.17 : x
  2. Step 2: Convert to fraction form
    10,571.30/15,845.49 = 6,876.17/x
  3. Step 3: Cross multiply
    10,571.30x = 15,845.49 × 6,876.17
  4. Step 4: Simplify right side
    10,571.30x = 108,956,203.75
  5. Step 5: Solve for x
    x = 108,956,203.75/10,571.30
  6. Step 6: Final answer
    x = 10,306.80

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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.