Home / 10,756.86-16,132.85-4,090.99

Finding the Fourth Proportional to 10,756.86, 16,132.85 and 4,090.99

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Solution

The fourth proportional to 10,756.86, 16,132.85 and 4,090.99 is: 6,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.86 : 16,132.85 = 4,090.99 : x
  2. Step 2: Convert to fraction form
    10,756.86/16,132.85 = 4,090.99/x
  3. Step 3: Cross multiply
    10,756.86x = 16,132.85 × 4,090.99
  4. Step 4: Simplify right side
    10,756.86x = 65,999,335.84
  5. Step 5: Solve for x
    x = 65,999,335.84/10,756.86
  6. Step 6: Final answer
    x = 6,135.56

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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.