Home / 13,865.60-20,799.30-7,304.60

Finding the Fourth Proportional to 13,865.60, 20,799.30 and 7,304.60

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Solution

The fourth proportional to 13,865.60, 20,799.30 and 7,304.60 is: 10,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.60 : 20,799.30 = 7,304.60 : x
  2. Step 2: Convert to fraction form
    13,865.60/20,799.30 = 7,304.60/x
  3. Step 3: Cross multiply
    13,865.60x = 20,799.30 × 7,304.60
  4. Step 4: Simplify right side
    13,865.60x = 151,930,566.78
  5. Step 5: Solve for x
    x = 151,930,566.78/13,865.60
  6. Step 6: Final answer
    x = 10,957.37

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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.