Home / 10,255.65-15,383.48-3,330.15

Finding the Fourth Proportional to 10,255.65, 15,383.48 and 3,330.15

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Solution

The fourth proportional to 10,255.65, 15,383.48 and 3,330.15 is: 4,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.65 : 15,383.48 = 3,330.15 : x
  2. Step 2: Convert to fraction form
    10,255.65/15,383.48 = 3,330.15/x
  3. Step 3: Cross multiply
    10,255.65x = 15,383.48 × 3,330.15
  4. Step 4: Simplify right side
    10,255.65x = 51,229,221.58
  5. Step 5: Solve for x
    x = 51,229,221.58/10,255.65
  6. Step 6: Final answer
    x = 4,995.22

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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.