Home / 10,170.16-15,255.20-3,594.80

Finding the Fourth Proportional to 10,170.16, 15,255.20 and 3,594.80

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Solution

The fourth proportional to 10,170.16, 15,255.20 and 3,594.80 is: 5,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.16 : 15,255.20 = 3,594.80 : x
  2. Step 2: Convert to fraction form
    10,170.16/15,255.20 = 3,594.80/x
  3. Step 3: Cross multiply
    10,170.16x = 15,255.20 × 3,594.80
  4. Step 4: Simplify right side
    10,170.16x = 54,839,392.96
  5. Step 5: Solve for x
    x = 54,839,392.96/10,170.16
  6. Step 6: Final answer
    x = 5,392.19

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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.