Home / 11,284.92-15,558.48-8,628.12

Finding the Fourth Proportional to 11,284.92, 15,558.48 and 8,628.12

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Solution

The fourth proportional to 11,284.92, 15,558.48 and 8,628.12 is: 11,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.92 : 15,558.48 = 8,628.12 : x
  2. Step 2: Convert to fraction form
    11,284.92/15,558.48 = 8,628.12/x
  3. Step 3: Cross multiply
    11,284.92x = 15,558.48 × 8,628.12
  4. Step 4: Simplify right side
    11,284.92x = 134,240,432.46
  5. Step 5: Solve for x
    x = 134,240,432.46/11,284.92
  6. Step 6: Final answer
    x = 11,895.56

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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.