Home / 18,327.90-25,304.49-11,615.70

Finding the Fourth Proportional to 18,327.90, 25,304.49 and 11,615.70

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Solution

The fourth proportional to 18,327.90, 25,304.49 and 11,615.70 is: 16,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.90 : 25,304.49 = 11,615.70 : x
  2. Step 2: Convert to fraction form
    18,327.90/25,304.49 = 11,615.70/x
  3. Step 3: Cross multiply
    18,327.90x = 25,304.49 × 11,615.70
  4. Step 4: Simplify right side
    18,327.90x = 293,929,364.49
  5. Step 5: Solve for x
    x = 293,929,364.49/18,327.90
  6. Step 6: Final answer
    x = 16,037.26

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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.