Home / 13,775.43-19,017.27-9,067.17

Finding the Fourth Proportional to 13,775.43, 19,017.27 and 9,067.17

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Solution

The fourth proportional to 13,775.43, 19,017.27 and 9,067.17 is: 12,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775.43 : 19,017.27 = 9,067.17 : x
  2. Step 2: Convert to fraction form
    13,775.43/19,017.27 = 9,067.17/x
  3. Step 3: Cross multiply
    13,775.43x = 19,017.27 × 9,067.17
  4. Step 4: Simplify right side
    13,775.43x = 172,432,820.03
  5. Step 5: Solve for x
    x = 172,432,820.03/13,775.43
  6. Step 6: Final answer
    x = 12,517.42

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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.