Home / 10,905.57-15,049.68-6,125.52

Finding the Fourth Proportional to 10,905.57, 15,049.68 and 6,125.52

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Solution

The fourth proportional to 10,905.57, 15,049.68 and 6,125.52 is: 8,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.57 : 15,049.68 = 6,125.52 : x
  2. Step 2: Convert to fraction form
    10,905.57/15,049.68 = 6,125.52/x
  3. Step 3: Cross multiply
    10,905.57x = 15,049.68 × 6,125.52
  4. Step 4: Simplify right side
    10,905.57x = 92,187,115.83
  5. Step 5: Solve for x
    x = 92,187,115.83/10,905.57
  6. Step 6: Final answer
    x = 8,453.21

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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.