Home / 10,385.76-15,584.88-4,144.48

Finding the Fourth Proportional to 10,385.76, 15,584.88 and 4,144.48

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Solution

The fourth proportional to 10,385.76, 15,584.88 and 4,144.48 is: 6,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.76 : 15,584.88 = 4,144.48 : x
  2. Step 2: Convert to fraction form
    10,385.76/15,584.88 = 4,144.48/x
  3. Step 3: Cross multiply
    10,385.76x = 15,584.88 × 4,144.48
  4. Step 4: Simplify right side
    10,385.76x = 64,591,223.46
  5. Step 5: Solve for x
    x = 64,591,223.46/10,385.76
  6. Step 6: Final answer
    x = 6,219.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.