Home / 10,743.86-16,118.63-6,531.86

Finding the Fourth Proportional to 10,743.86, 16,118.63 and 6,531.86

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Solution

The fourth proportional to 10,743.86, 16,118.63 and 6,531.86 is: 9,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.86 : 16,118.63 = 6,531.86 : x
  2. Step 2: Convert to fraction form
    10,743.86/16,118.63 = 6,531.86/x
  3. Step 3: Cross multiply
    10,743.86x = 16,118.63 × 6,531.86
  4. Step 4: Simplify right side
    10,743.86x = 105,284,634.55
  5. Step 5: Solve for x
    x = 105,284,634.55/10,743.86
  6. Step 6: Final answer
    x = 9,799.52

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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.