Home / 10,761.21-14,850-6,513.30

Finding the Fourth Proportional to 10,761.21, 14,850 and 6,513.30

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Solution

The fourth proportional to 10,761.21, 14,850 and 6,513.30 is: 8,988.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.21 : 14,850 = 6,513.30 : x
  2. Step 2: Convert to fraction form
    10,761.21/14,850 = 6,513.30/x
  3. Step 3: Cross multiply
    10,761.21x = 14,850 × 6,513.30
  4. Step 4: Simplify right side
    10,761.21x = 96,722,505
  5. Step 5: Solve for x
    x = 96,722,505/10,761.21
  6. Step 6: Final answer
    x = 8,988.07

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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.