Home / 11,938.44-17,894.79-7,557.15

Finding the Fourth Proportional to 11,938.44, 17,894.79 and 7,557.15

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Solution

The fourth proportional to 11,938.44, 17,894.79 and 7,557.15 is: 11,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.44 : 17,894.79 = 7,557.15 : x
  2. Step 2: Convert to fraction form
    11,938.44/17,894.79 = 7,557.15/x
  3. Step 3: Cross multiply
    11,938.44x = 17,894.79 × 7,557.15
  4. Step 4: Simplify right side
    11,938.44x = 135,233,612.25
  5. Step 5: Solve for x
    x = 135,233,612.25/11,938.44
  6. Step 6: Final answer
    x = 11,327.58

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1.5x scale

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.