Home / 11,818.76-17,728.16-11,097.05

Finding the Fourth Proportional to 11,818.76, 17,728.16 and 11,097.05

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Solution

The fourth proportional to 11,818.76, 17,728.16 and 11,097.05 is: 16,645.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.76 : 17,728.16 = 11,097.05 : x
  2. Step 2: Convert to fraction form
    11,818.76/17,728.16 = 11,097.05/x
  3. Step 3: Cross multiply
    11,818.76x = 17,728.16 × 11,097.05
  4. Step 4: Simplify right side
    11,818.76x = 196,730,133.80
  5. Step 5: Solve for x
    x = 196,730,133.80/11,818.76
  6. Step 6: Final answer
    x = 16,645.59

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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.