Home / 10,141.12-15,213.60-3,214.24

Finding the Fourth Proportional to 10,141.12, 15,213.60 and 3,214.24

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Solution

The fourth proportional to 10,141.12, 15,213.60 and 3,214.24 is: 4,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,141.12 : 15,213.60 = 3,214.24 : x
  2. Step 2: Convert to fraction form
    10,141.12/15,213.60 = 3,214.24/x
  3. Step 3: Cross multiply
    10,141.12x = 15,213.60 × 3,214.24
  4. Step 4: Simplify right side
    10,141.12x = 48,900,161.66
  5. Step 5: Solve for x
    x = 48,900,161.66/10,141.12
  6. Step 6: Final answer
    x = 4,821.97

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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.