Home / 34,186.33-51,302.43-11,999.78

Finding the Fourth Proportional to 34,186.33, 51,302.43 and 11,999.78

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Solution

The fourth proportional to 34,186.33, 51,302.43 and 11,999.78 is: 18,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,186.33 : 51,302.43 = 11,999.78 : x
  2. Step 2: Convert to fraction form
    34,186.33/51,302.43 = 11,999.78/x
  3. Step 3: Cross multiply
    34,186.33x = 51,302.43 × 11,999.78
  4. Step 4: Simplify right side
    34,186.33x = 615,617,873.47
  5. Step 5: Solve for x
    x = 615,617,873.47/34,186.33
  6. Step 6: Final answer
    x = 18,007.72

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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.