Home / 9,933.12-13,707.64-5,456.92

Finding the Fourth Proportional to 9,933.12, 13,707.64 and 5,456.92

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Solution

The fourth proportional to 9,933.12, 13,707.64 and 5,456.92 is: 7,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.12 : 13,707.64 = 5,456.92 : x
  2. Step 2: Convert to fraction form
    9,933.12/13,707.64 = 5,456.92/x
  3. Step 3: Cross multiply
    9,933.12x = 13,707.64 × 5,456.92
  4. Step 4: Simplify right side
    9,933.12x = 74,801,494.87
  5. Step 5: Solve for x
    x = 74,801,494.87/9,933.12
  6. Step 6: Final answer
    x = 7,530.51

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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.