Home / 11,223.62-15,488.33-6,187.72

Finding the Fourth Proportional to 11,223.62, 15,488.33 and 6,187.72

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Solution

The fourth proportional to 11,223.62, 15,488.33 and 6,187.72 is: 8,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.62 : 15,488.33 = 6,187.72 : x
  2. Step 2: Convert to fraction form
    11,223.62/15,488.33 = 6,187.72/x
  3. Step 3: Cross multiply
    11,223.62x = 15,488.33 × 6,187.72
  4. Step 4: Simplify right side
    11,223.62x = 95,837,449.31
  5. Step 5: Solve for x
    x = 95,837,449.31/11,223.62
  6. Step 6: Final answer
    x = 8,538.91

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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.