Home / 9,975.27-13,765.97-5,499.19

Finding the Fourth Proportional to 9,975.27, 13,765.97 and 5,499.19

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Solution

The fourth proportional to 9,975.27, 13,765.97 and 5,499.19 is: 7,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.27 : 13,765.97 = 5,499.19 : x
  2. Step 2: Convert to fraction form
    9,975.27/13,765.97 = 5,499.19/x
  3. Step 3: Cross multiply
    9,975.27x = 13,765.97 × 5,499.19
  4. Step 4: Simplify right side
    9,975.27x = 75,701,684.56
  5. Step 5: Solve for x
    x = 75,701,684.56/9,975.27
  6. Step 6: Final answer
    x = 7,588.94

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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.