Home / 11,257.76-15,535.61-6,222.32

Finding the Fourth Proportional to 11,257.76, 15,535.61 and 6,222.32

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Solution

The fourth proportional to 11,257.76, 15,535.61 and 6,222.32 is: 8,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.76 : 15,535.61 = 6,222.32 : x
  2. Step 2: Convert to fraction form
    11,257.76/15,535.61 = 6,222.32/x
  3. Step 3: Cross multiply
    11,257.76x = 15,535.61 × 6,222.32
  4. Step 4: Simplify right side
    11,257.76x = 96,667,536.82
  5. Step 5: Solve for x
    x = 96,667,536.82/11,257.76
  6. Step 6: Final answer
    x = 8,586.75

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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.