Home / 13,355.37-20,032.61-6,338.75

Finding the Fourth Proportional to 13,355.37, 20,032.61 and 6,338.75

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Solution

The fourth proportional to 13,355.37, 20,032.61 and 6,338.75 is: 9,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.37 : 20,032.61 = 6,338.75 : x
  2. Step 2: Convert to fraction form
    13,355.37/20,032.61 = 6,338.75/x
  3. Step 3: Cross multiply
    13,355.37x = 20,032.61 × 6,338.75
  4. Step 4: Simplify right side
    13,355.37x = 126,981,574.78
  5. Step 5: Solve for x
    x = 126,981,574.78/13,355.37
  6. Step 6: Final answer
    x = 9,507.90

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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.