Home / 11,269.60-15,548.08-6,552.80

Finding the Fourth Proportional to 11,269.60, 15,548.08 and 6,552.80

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Solution

The fourth proportional to 11,269.60, 15,548.08 and 6,552.80 is: 9,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.60 : 15,548.08 = 6,552.80 : x
  2. Step 2: Convert to fraction form
    11,269.60/15,548.08 = 6,552.80/x
  3. Step 3: Cross multiply
    11,269.60x = 15,548.08 × 6,552.80
  4. Step 4: Simplify right side
    11,269.60x = 101,883,458.62
  5. Step 5: Solve for x
    x = 101,883,458.62/11,269.60
  6. Step 6: Final answer
    x = 9,040.56

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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.