Home / 10,915.97-15,064.38-6,200.55

Finding the Fourth Proportional to 10,915.97, 15,064.38 and 6,200.55

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Solution

The fourth proportional to 10,915.97, 15,064.38 and 6,200.55 is: 8,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.97 : 15,064.38 = 6,200.55 : x
  2. Step 2: Convert to fraction form
    10,915.97/15,064.38 = 6,200.55/x
  3. Step 3: Cross multiply
    10,915.97x = 15,064.38 × 6,200.55
  4. Step 4: Simplify right side
    10,915.97x = 93,407,441.41
  5. Step 5: Solve for x
    x = 93,407,441.41/10,915.97
  6. Step 6: Final answer
    x = 8,556.96

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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.