Home / 11,028.87-15,220.61-6,248.77

Finding the Fourth Proportional to 11,028.87, 15,220.61 and 6,248.77

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Solution

The fourth proportional to 11,028.87, 15,220.61 and 6,248.77 is: 8,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.87 : 15,220.61 = 6,248.77 : x
  2. Step 2: Convert to fraction form
    11,028.87/15,220.61 = 6,248.77/x
  3. Step 3: Cross multiply
    11,028.87x = 15,220.61 × 6,248.77
  4. Step 4: Simplify right side
    11,028.87x = 95,110,091.15
  5. Step 5: Solve for x
    x = 95,110,091.15/11,028.87
  6. Step 6: Final answer
    x = 8,623.74

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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.