Home / 11,223.36-15,488.21-6,187.54

Finding the Fourth Proportional to 11,223.36, 15,488.21 and 6,187.54

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Solution

The fourth proportional to 11,223.36, 15,488.21 and 6,187.54 is: 8,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.36 : 15,488.21 = 6,187.54 : x
  2. Step 2: Convert to fraction form
    11,223.36/15,488.21 = 6,187.54/x
  3. Step 3: Cross multiply
    11,223.36x = 15,488.21 × 6,187.54
  4. Step 4: Simplify right side
    11,223.36x = 95,833,918.90
  5. Step 5: Solve for x
    x = 95,833,918.90/11,223.36
  6. Step 6: Final answer
    x = 8,538.79

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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.