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Finding the Fourth Proportional to 10,841.51, 14,961.51 and 6,125.90

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Solution

The fourth proportional to 10,841.51, 14,961.51 and 6,125.90 is: 8,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,841.51 : 14,961.51 = 6,125.90 : x
  2. Step 2: Convert to fraction form
    10,841.51/14,961.51 = 6,125.90/x
  3. Step 3: Cross multiply
    10,841.51x = 14,961.51 × 6,125.90
  4. Step 4: Simplify right side
    10,841.51x = 91,652,714.11
  5. Step 5: Solve for x
    x = 91,652,714.11/10,841.51
  6. Step 6: Final answer
    x = 8,453.87

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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.