Home / 10,937.37-15,091.89-6,221.55

Finding the Fourth Proportional to 10,937.37, 15,091.89 and 6,221.55

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Solution

The fourth proportional to 10,937.37, 15,091.89 and 6,221.55 is: 8,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.37 : 15,091.89 = 6,221.55 : x
  2. Step 2: Convert to fraction form
    10,937.37/15,091.89 = 6,221.55/x
  3. Step 3: Cross multiply
    10,937.37x = 15,091.89 × 6,221.55
  4. Step 4: Simplify right side
    10,937.37x = 93,894,948.23
  5. Step 5: Solve for x
    x = 93,894,948.23/10,937.37
  6. Step 6: Final answer
    x = 8,584.78

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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.