Home / 10,138.24-15,207.56-3,476.28

Finding the Fourth Proportional to 10,138.24, 15,207.56 and 3,476.28

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Solution

The fourth proportional to 10,138.24, 15,207.56 and 3,476.28 is: 5,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.24 : 15,207.56 = 3,476.28 : x
  2. Step 2: Convert to fraction form
    10,138.24/15,207.56 = 3,476.28/x
  3. Step 3: Cross multiply
    10,138.24x = 15,207.56 × 3,476.28
  4. Step 4: Simplify right side
    10,138.24x = 52,865,736.68
  5. Step 5: Solve for x
    x = 52,865,736.68/10,138.24
  6. Step 6: Final answer
    x = 5,214.49

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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.