Home / 13,959.41-19,207.67-13,627.24

Finding the Fourth Proportional to 13,959.41, 19,207.67 and 13,627.24

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Solution

The fourth proportional to 13,959.41, 19,207.67 and 13,627.24 is: 18,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.41 : 19,207.67 = 13,627.24 : x
  2. Step 2: Convert to fraction form
    13,959.41/19,207.67 = 13,627.24/x
  3. Step 3: Cross multiply
    13,959.41x = 19,207.67 × 13,627.24
  4. Step 4: Simplify right side
    13,959.41x = 261,747,412.78
  5. Step 5: Solve for x
    x = 261,747,412.78/13,959.41
  6. Step 6: Final answer
    x = 18,750.61

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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.