Home / 13,386.60-20,084.73-8,132.33

Finding the Fourth Proportional to 13,386.60, 20,084.73 and 8,132.33

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Solution

The fourth proportional to 13,386.60, 20,084.73 and 8,132.33 is: 12,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.60 : 20,084.73 = 8,132.33 : x
  2. Step 2: Convert to fraction form
    13,386.60/20,084.73 = 8,132.33/x
  3. Step 3: Cross multiply
    13,386.60x = 20,084.73 × 8,132.33
  4. Step 4: Simplify right side
    13,386.60x = 163,335,672.04
  5. Step 5: Solve for x
    x = 163,335,672.04/13,386.60
  6. Step 6: Final answer
    x = 12,201.43

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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.