Home / 18,089.15-27,175.33-12,764.59

Finding the Fourth Proportional to 18,089.15, 27,175.33 and 12,764.59

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Solution

The fourth proportional to 18,089.15, 27,175.33 and 12,764.59 is: 19,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.15 : 27,175.33 = 12,764.59 : x
  2. Step 2: Convert to fraction form
    18,089.15/27,175.33 = 12,764.59/x
  3. Step 3: Cross multiply
    18,089.15x = 27,175.33 × 12,764.59
  4. Step 4: Simplify right side
    18,089.15x = 346,881,881.74
  5. Step 5: Solve for x
    x = 346,881,881.74/18,089.15
  6. Step 6: Final answer
    x = 19,176.24

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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.