Home / 11,365.56-16,988.49-9,872.95

Finding the Fourth Proportional to 11,365.56, 16,988.49 and 9,872.95

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Solution

The fourth proportional to 11,365.56, 16,988.49 and 9,872.95 is: 14,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.56 : 16,988.49 = 9,872.95 : x
  2. Step 2: Convert to fraction form
    11,365.56/16,988.49 = 9,872.95/x
  3. Step 3: Cross multiply
    11,365.56x = 16,988.49 × 9,872.95
  4. Step 4: Simplify right side
    11,365.56x = 167,726,512.35
  5. Step 5: Solve for x
    x = 167,726,512.35/11,365.56
  6. Step 6: Final answer
    x = 14,757.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.