Home / 13,521.26-20,272.66-4,634.18

Finding the Fourth Proportional to 13,521.26, 20,272.66 and 4,634.18

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Solution

The fourth proportional to 13,521.26, 20,272.66 and 4,634.18 is: 6,948.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521.26 : 20,272.66 = 4,634.18 : x
  2. Step 2: Convert to fraction form
    13,521.26/20,272.66 = 4,634.18/x
  3. Step 3: Cross multiply
    13,521.26x = 20,272.66 × 4,634.18
  4. Step 4: Simplify right side
    13,521.26x = 93,947,155.52
  5. Step 5: Solve for x
    x = 93,947,155.52/13,521.26
  6. Step 6: Final answer
    x = 6,948.11

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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.