Home / 23,218.11-32,040.90-13,147.25

Finding the Fourth Proportional to 23,218.11, 32,040.90 and 13,147.25

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Solution

The fourth proportional to 23,218.11, 32,040.90 and 13,147.25 is: 18,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,218.11 : 32,040.90 = 13,147.25 : x
  2. Step 2: Convert to fraction form
    23,218.11/32,040.90 = 13,147.25/x
  3. Step 3: Cross multiply
    23,218.11x = 32,040.90 × 13,147.25
  4. Step 4: Simplify right side
    23,218.11x = 421,249,562.32
  5. Step 5: Solve for x
    x = 421,249,562.32/23,218.11
  6. Step 6: Final answer
    x = 18,143.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.