Home / 13,427.96-20,121.42-5,632.52

Finding the Fourth Proportional to 13,427.96, 20,121.42 and 5,632.52

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Solution

The fourth proportional to 13,427.96, 20,121.42 and 5,632.52 is: 8,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.96 : 20,121.42 = 5,632.52 : x
  2. Step 2: Convert to fraction form
    13,427.96/20,121.42 = 5,632.52/x
  3. Step 3: Cross multiply
    13,427.96x = 20,121.42 × 5,632.52
  4. Step 4: Simplify right side
    13,427.96x = 113,334,300.58
  5. Step 5: Solve for x
    x = 113,334,300.58/13,427.96
  6. Step 6: Final answer
    x = 8,440.17

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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.