Home / 13,933.39-20,889.15-9,537.52

Finding the Fourth Proportional to 13,933.39, 20,889.15 and 9,537.52

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Solution

The fourth proportional to 13,933.39, 20,889.15 and 9,537.52 is: 14,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.39 : 20,889.15 = 9,537.52 : x
  2. Step 2: Convert to fraction form
    13,933.39/20,889.15 = 9,537.52/x
  3. Step 3: Cross multiply
    13,933.39x = 20,889.15 × 9,537.52
  4. Step 4: Simplify right side
    13,933.39x = 199,230,685.91
  5. Step 5: Solve for x
    x = 199,230,685.91/13,933.39
  6. Step 6: Final answer
    x = 14,298.79

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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.