Home / 12,387.54-17,093.66-7,350.89

Finding the Fourth Proportional to 12,387.54, 17,093.66 and 7,350.89

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Solution

The fourth proportional to 12,387.54, 17,093.66 and 7,350.89 is: 10,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387.54 : 17,093.66 = 7,350.89 : x
  2. Step 2: Convert to fraction form
    12,387.54/17,093.66 = 7,350.89/x
  3. Step 3: Cross multiply
    12,387.54x = 17,093.66 × 7,350.89
  4. Step 4: Simplify right side
    12,387.54x = 125,653,614.36
  5. Step 5: Solve for x
    x = 125,653,614.36/12,387.54
  6. Step 6: Final answer
    x = 10,143.55

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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.