Home / 13,449.38-20,174.14-4,684.28

Finding the Fourth Proportional to 13,449.38, 20,174.14 and 4,684.28

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Solution

The fourth proportional to 13,449.38, 20,174.14 and 4,684.28 is: 7,026.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.38 : 20,174.14 = 4,684.28 : x
  2. Step 2: Convert to fraction form
    13,449.38/20,174.14 = 4,684.28/x
  3. Step 3: Cross multiply
    13,449.38x = 20,174.14 × 4,684.28
  4. Step 4: Simplify right side
    13,449.38x = 94,501,320.52
  5. Step 5: Solve for x
    x = 94,501,320.52/13,449.38
  6. Step 6: Final answer
    x = 7,026.44

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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.