Home / 10,161.20-15,242.88-3,234.08

Finding the Fourth Proportional to 10,161.20, 15,242.88 and 3,234.08

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Solution

The fourth proportional to 10,161.20, 15,242.88 and 3,234.08 is: 4,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.20 : 15,242.88 = 3,234.08 : x
  2. Step 2: Convert to fraction form
    10,161.20/15,242.88 = 3,234.08/x
  3. Step 3: Cross multiply
    10,161.20x = 15,242.88 × 3,234.08
  4. Step 4: Simplify right side
    10,161.20x = 49,296,693.35
  5. Step 5: Solve for x
    x = 49,296,693.35/10,161.20
  6. Step 6: Final answer
    x = 4,851.46

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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.