Home / 16,860.82-23,278.89-15,089.38

Finding the Fourth Proportional to 16,860.82, 23,278.89 and 15,089.38

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Solution

The fourth proportional to 16,860.82, 23,278.89 and 15,089.38 is: 20,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.82 : 23,278.89 = 15,089.38 : x
  2. Step 2: Convert to fraction form
    16,860.82/23,278.89 = 15,089.38/x
  3. Step 3: Cross multiply
    16,860.82x = 23,278.89 × 15,089.38
  4. Step 4: Simplify right side
    16,860.82x = 351,264,017.19
  5. Step 5: Solve for x
    x = 351,264,017.19/16,860.82
  6. Step 6: Final answer
    x = 20,833.15

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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.