Home / 11,030.57-15,221.39-6,250.61

Finding the Fourth Proportional to 11,030.57, 15,221.39 and 6,250.61

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Solution

The fourth proportional to 11,030.57, 15,221.39 and 6,250.61 is: 8,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.57 : 15,221.39 = 6,250.61 : x
  2. Step 2: Convert to fraction form
    11,030.57/15,221.39 = 6,250.61/x
  3. Step 3: Cross multiply
    11,030.57x = 15,221.39 × 6,250.61
  4. Step 4: Simplify right side
    11,030.57x = 95,142,972.55
  5. Step 5: Solve for x
    x = 95,142,972.55/11,030.57
  6. Step 6: Final answer
    x = 8,625.39

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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.