Home / 11,365.54-15,684.44-6,650.72

Finding the Fourth Proportional to 11,365.54, 15,684.44 and 6,650.72

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Solution

The fourth proportional to 11,365.54, 15,684.44 and 6,650.72 is: 9,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.54 : 15,684.44 = 6,650.72 : x
  2. Step 2: Convert to fraction form
    11,365.54/15,684.44 = 6,650.72/x
  3. Step 3: Cross multiply
    11,365.54x = 15,684.44 × 6,650.72
  4. Step 4: Simplify right side
    11,365.54x = 104,312,818.80
  5. Step 5: Solve for x
    x = 104,312,818.80/11,365.54
  6. Step 6: Final answer
    x = 9,177.99

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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.