Home / 38,113.39-57,176.15-11,812.69

Finding the Fourth Proportional to 38,113.39, 57,176.15 and 11,812.69

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Solution

The fourth proportional to 38,113.39, 57,176.15 and 11,812.69 is: 17,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113.39 : 57,176.15 = 11,812.69 : x
  2. Step 2: Convert to fraction form
    38,113.39/57,176.15 = 11,812.69/x
  3. Step 3: Cross multiply
    38,113.39x = 57,176.15 × 11,812.69
  4. Step 4: Simplify right side
    38,113.39x = 675,404,076.28
  5. Step 5: Solve for x
    x = 675,404,076.28/38,113.39
  6. Step 6: Final answer
    x = 17,720.91

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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.