Home / 13,530.60-20,304.90-4,765.50

Finding the Fourth Proportional to 13,530.60, 20,304.90 and 4,765.50

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Solution

The fourth proportional to 13,530.60, 20,304.90 and 4,765.50 is: 7,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.60 : 20,304.90 = 4,765.50 : x
  2. Step 2: Convert to fraction form
    13,530.60/20,304.90 = 4,765.50/x
  3. Step 3: Cross multiply
    13,530.60x = 20,304.90 × 4,765.50
  4. Step 4: Simplify right side
    13,530.60x = 96,763,000.95
  5. Step 5: Solve for x
    x = 96,763,000.95/13,530.60
  6. Step 6: Final answer
    x = 7,151.42

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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.