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Finding the Fourth Proportional to 10,841.12, 14,961.03 and 6,125.30

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Solution

The fourth proportional to 10,841.12, 14,961.03 and 6,125.30 is: 8,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,841.12 : 14,961.03 = 6,125.30 : x
  2. Step 2: Convert to fraction form
    10,841.12/14,961.03 = 6,125.30/x
  3. Step 3: Cross multiply
    10,841.12x = 14,961.03 × 6,125.30
  4. Step 4: Simplify right side
    10,841.12x = 91,640,797.06
  5. Step 5: Solve for x
    x = 91,640,797.06/10,841.12
  6. Step 6: Final answer
    x = 8,453.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.