Home / 10,777.68-16,166.80-2,986.48

Finding the Fourth Proportional to 10,777.68, 16,166.80 and 2,986.48

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Solution

The fourth proportional to 10,777.68, 16,166.80 and 2,986.48 is: 4,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.68 : 16,166.80 = 2,986.48 : x
  2. Step 2: Convert to fraction form
    10,777.68/16,166.80 = 2,986.48/x
  3. Step 3: Cross multiply
    10,777.68x = 16,166.80 × 2,986.48
  4. Step 4: Simplify right side
    10,777.68x = 48,281,824.86
  5. Step 5: Solve for x
    x = 48,281,824.86/10,777.68
  6. Step 6: Final answer
    x = 4,479.80

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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.