Home / 11,428.76-17,144.52-4,031.70

Finding the Fourth Proportional to 11,428.76, 17,144.52 and 4,031.70

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Solution

The fourth proportional to 11,428.76, 17,144.52 and 4,031.70 is: 6,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428.76 : 17,144.52 = 4,031.70 : x
  2. Step 2: Convert to fraction form
    11,428.76/17,144.52 = 4,031.70/x
  3. Step 3: Cross multiply
    11,428.76x = 17,144.52 × 4,031.70
  4. Step 4: Simplify right side
    11,428.76x = 69,121,561.28
  5. Step 5: Solve for x
    x = 69,121,561.28/11,428.76
  6. Step 6: Final answer
    x = 6,048.04

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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.