Home / 11,899.62-17,854.29-7,219.44

Finding the Fourth Proportional to 11,899.62, 17,854.29 and 7,219.44

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Solution

The fourth proportional to 11,899.62, 17,854.29 and 7,219.44 is: 10,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.62 : 17,854.29 = 7,219.44 : x
  2. Step 2: Convert to fraction form
    11,899.62/17,854.29 = 7,219.44/x
  3. Step 3: Cross multiply
    11,899.62x = 17,854.29 × 7,219.44
  4. Step 4: Simplify right side
    11,899.62x = 128,897,975.40
  5. Step 5: Solve for x
    x = 128,897,975.40/11,899.62
  6. Step 6: Final answer
    x = 10,832.11

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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.