Home / 11,365.28-15,684.04-6,329.56

Finding the Fourth Proportional to 11,365.28, 15,684.04 and 6,329.56

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Solution

The fourth proportional to 11,365.28, 15,684.04 and 6,329.56 is: 8,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.28 : 15,684.04 = 6,329.56 : x
  2. Step 2: Convert to fraction form
    11,365.28/15,684.04 = 6,329.56/x
  3. Step 3: Cross multiply
    11,365.28x = 15,684.04 × 6,329.56
  4. Step 4: Simplify right side
    11,365.28x = 99,272,962.15
  5. Step 5: Solve for x
    x = 99,272,962.15/11,365.28
  6. Step 6: Final answer
    x = 8,734.76

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1.5x scale

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.