Home / 13,489.04-20,216.28-6,091.58

Finding the Fourth Proportional to 13,489.04, 20,216.28 and 6,091.58

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Solution

The fourth proportional to 13,489.04, 20,216.28 and 6,091.58 is: 9,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.04 : 20,216.28 = 6,091.58 : x
  2. Step 2: Convert to fraction form
    13,489.04/20,216.28 = 6,091.58/x
  3. Step 3: Cross multiply
    13,489.04x = 20,216.28 × 6,091.58
  4. Step 4: Simplify right side
    13,489.04x = 123,149,086.92
  5. Step 5: Solve for x
    x = 123,149,086.92/13,489.04
  6. Step 6: Final answer
    x = 9,129.57

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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.