Home / 10,517.72-14,517.62-6,271.88

Finding the Fourth Proportional to 10,517.72, 14,517.62 and 6,271.88

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Solution

The fourth proportional to 10,517.72, 14,517.62 and 6,271.88 is: 8,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.72 : 14,517.62 = 6,271.88 : x
  2. Step 2: Convert to fraction form
    10,517.72/14,517.62 = 6,271.88/x
  3. Step 3: Cross multiply
    10,517.72x = 14,517.62 × 6,271.88
  4. Step 4: Simplify right side
    10,517.72x = 91,052,770.53
  5. Step 5: Solve for x
    x = 91,052,770.53/10,517.72
  6. Step 6: Final answer
    x = 8,657.08

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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.