Home / 10,906.35-15,050.84-6,190.71

Finding the Fourth Proportional to 10,906.35, 15,050.84 and 6,190.71

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Solution

The fourth proportional to 10,906.35, 15,050.84 and 6,190.71 is: 8,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.35 : 15,050.84 = 6,190.71 : x
  2. Step 2: Convert to fraction form
    10,906.35/15,050.84 = 6,190.71/x
  3. Step 3: Cross multiply
    10,906.35x = 15,050.84 × 6,190.71
  4. Step 4: Simplify right side
    10,906.35x = 93,175,385.70
  5. Step 5: Solve for x
    x = 93,175,385.70/10,906.35
  6. Step 6: Final answer
    x = 8,543.22

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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.