Home / 20,109.06-30,173.58-9,023.58

Finding the Fourth Proportional to 20,109.06, 30,173.58 and 9,023.58

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Solution

The fourth proportional to 20,109.06, 30,173.58 and 9,023.58 is: 13,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,109.06 : 30,173.58 = 9,023.58 : x
  2. Step 2: Convert to fraction form
    20,109.06/30,173.58 = 9,023.58/x
  3. Step 3: Cross multiply
    20,109.06x = 30,173.58 × 9,023.58
  4. Step 4: Simplify right side
    20,109.06x = 272,273,713.02
  5. Step 5: Solve for x
    x = 272,273,713.02/20,109.06
  6. Step 6: Final answer
    x = 13,539.85

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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.