Home / 23,189.36-34,799.58-9,147.78

Finding the Fourth Proportional to 23,189.36, 34,799.58 and 9,147.78

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Solution

The fourth proportional to 23,189.36, 34,799.58 and 9,147.78 is: 13,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189.36 : 34,799.58 = 9,147.78 : x
  2. Step 2: Convert to fraction form
    23,189.36/34,799.58 = 9,147.78/x
  3. Step 3: Cross multiply
    23,189.36x = 34,799.58 × 9,147.78
  4. Step 4: Simplify right side
    23,189.36x = 318,338,901.93
  5. Step 5: Solve for x
    x = 318,338,901.93/23,189.36
  6. Step 6: Final answer
    x = 13,727.80

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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.