Home / 18,017.88-24,867.72-11,309.10

Finding the Fourth Proportional to 18,017.88, 24,867.72 and 11,309.10

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Solution

The fourth proportional to 18,017.88, 24,867.72 and 11,309.10 is: 15,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.88 : 24,867.72 = 11,309.10 : x
  2. Step 2: Convert to fraction form
    18,017.88/24,867.72 = 11,309.10/x
  3. Step 3: Cross multiply
    18,017.88x = 24,867.72 × 11,309.10
  4. Step 4: Simplify right side
    18,017.88x = 281,231,532.25
  5. Step 5: Solve for x
    x = 281,231,532.25/18,017.88
  6. Step 6: Final answer
    x = 15,608.47

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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.