Home / 10,837.10-16,251.60-7,540.40

Finding the Fourth Proportional to 10,837.10, 16,251.60 and 7,540.40

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Solution

The fourth proportional to 10,837.10, 16,251.60 and 7,540.40 is: 11,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,837.10 : 16,251.60 = 7,540.40 : x
  2. Step 2: Convert to fraction form
    10,837.10/16,251.60 = 7,540.40/x
  3. Step 3: Cross multiply
    10,837.10x = 16,251.60 × 7,540.40
  4. Step 4: Simplify right side
    10,837.10x = 122,543,564.64
  5. Step 5: Solve for x
    x = 122,543,564.64/10,837.10
  6. Step 6: Final answer
    x = 11,307.78

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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.