Home / 9,307.40-13,961.10-8,250.35

Finding the Fourth Proportional to 9,307.40, 13,961.10 and 8,250.35

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Solution

The fourth proportional to 9,307.40, 13,961.10 and 8,250.35 is: 12,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.40 : 13,961.10 = 8,250.35 : x
  2. Step 2: Convert to fraction form
    9,307.40/13,961.10 = 8,250.35/x
  3. Step 3: Cross multiply
    9,307.40x = 13,961.10 × 8,250.35
  4. Step 4: Simplify right side
    9,307.40x = 115,183,961.39
  5. Step 5: Solve for x
    x = 115,183,961.39/9,307.40
  6. Step 6: Final answer
    x = 12,375.53

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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.