Home / 10,945.48-15,105.14-6,229.66

Finding the Fourth Proportional to 10,945.48, 15,105.14 and 6,229.66

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Solution

The fourth proportional to 10,945.48, 15,105.14 and 6,229.66 is: 8,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.48 : 15,105.14 = 6,229.66 : x
  2. Step 2: Convert to fraction form
    10,945.48/15,105.14 = 6,229.66/x
  3. Step 3: Cross multiply
    10,945.48x = 15,105.14 × 6,229.66
  4. Step 4: Simplify right side
    10,945.48x = 94,099,886.45
  5. Step 5: Solve for x
    x = 94,099,886.45/10,945.48
  6. Step 6: Final answer
    x = 8,597.15

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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.