Home / 10,105.19-13,945.34-6,126.47

Finding the Fourth Proportional to 10,105.19, 13,945.34 and 6,126.47

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Solution

The fourth proportional to 10,105.19, 13,945.34 and 6,126.47 is: 8,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.19 : 13,945.34 = 6,126.47 : x
  2. Step 2: Convert to fraction form
    10,105.19/13,945.34 = 6,126.47/x
  3. Step 3: Cross multiply
    10,105.19x = 13,945.34 × 6,126.47
  4. Step 4: Simplify right side
    10,105.19x = 85,435,676.52
  5. Step 5: Solve for x
    x = 85,435,676.52/10,105.19
  6. Step 6: Final answer
    x = 8,454.63

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Half scale
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Double scale
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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.