Home / 17,486.10-26,199.99-12,282.66

Finding the Fourth Proportional to 17,486.10, 26,199.99 and 12,282.66

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Solution

The fourth proportional to 17,486.10, 26,199.99 and 12,282.66 is: 18,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,486.10 : 26,199.99 = 12,282.66 : x
  2. Step 2: Convert to fraction form
    17,486.10/26,199.99 = 12,282.66/x
  3. Step 3: Cross multiply
    17,486.10x = 26,199.99 × 12,282.66
  4. Step 4: Simplify right side
    17,486.10x = 321,805,569.17
  5. Step 5: Solve for x
    x = 321,805,569.17/17,486.10
  6. Step 6: Final answer
    x = 18,403.51

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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.