Home / 13,388.76-20,071.26-5,062.95

Finding the Fourth Proportional to 13,388.76, 20,071.26 and 5,062.95

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Solution

The fourth proportional to 13,388.76, 20,071.26 and 5,062.95 is: 7,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.76 : 20,071.26 = 5,062.95 : x
  2. Step 2: Convert to fraction form
    13,388.76/20,071.26 = 5,062.95/x
  3. Step 3: Cross multiply
    13,388.76x = 20,071.26 × 5,062.95
  4. Step 4: Simplify right side
    13,388.76x = 101,619,785.82
  5. Step 5: Solve for x
    x = 101,619,785.82/13,388.76
  6. Step 6: Final answer
    x = 7,589.93

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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.