Home / 17,934.74-26,902.79-9,159.40

Finding the Fourth Proportional to 17,934.74, 26,902.79 and 9,159.40

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Solution

The fourth proportional to 17,934.74, 26,902.79 and 9,159.40 is: 13,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,934.74 : 26,902.79 = 9,159.40 : x
  2. Step 2: Convert to fraction form
    17,934.74/26,902.79 = 9,159.40/x
  3. Step 3: Cross multiply
    17,934.74x = 26,902.79 × 9,159.40
  4. Step 4: Simplify right side
    17,934.74x = 246,413,436.91
  5. Step 5: Solve for x
    x = 246,413,436.91/17,934.74
  6. Step 6: Final answer
    x = 13,739.45

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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.