Home / 11,029.79-15,220.40-6,250.76

Finding the Fourth Proportional to 11,029.79, 15,220.40 and 6,250.76

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Solution

The fourth proportional to 11,029.79, 15,220.40 and 6,250.76 is: 8,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.79 : 15,220.40 = 6,250.76 : x
  2. Step 2: Convert to fraction form
    11,029.79/15,220.40 = 6,250.76/x
  3. Step 3: Cross multiply
    11,029.79x = 15,220.40 × 6,250.76
  4. Step 4: Simplify right side
    11,029.79x = 95,139,067.50
  5. Step 5: Solve for x
    x = 95,139,067.50/11,029.79
  6. Step 6: Final answer
    x = 8,625.65

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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.