Home / 13,569.73-20,368.67-8,308.37

Finding the Fourth Proportional to 13,569.73, 20,368.67 and 8,308.37

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Solution

The fourth proportional to 13,569.73, 20,368.67 and 8,308.37 is: 12,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.73 : 20,368.67 = 8,308.37 : x
  2. Step 2: Convert to fraction form
    13,569.73/20,368.67 = 8,308.37/x
  3. Step 3: Cross multiply
    13,569.73x = 20,368.67 × 8,308.37
  4. Step 4: Simplify right side
    13,569.73x = 169,230,456.15
  5. Step 5: Solve for x
    x = 169,230,456.15/13,569.73
  6. Step 6: Final answer
    x = 12,471.18

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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.