Home / 11,026.93-15,211.32-6,986.62

Finding the Fourth Proportional to 11,026.93, 15,211.32 and 6,986.62

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Solution

The fourth proportional to 11,026.93, 15,211.32 and 6,986.62 is: 9,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.93 : 15,211.32 = 6,986.62 : x
  2. Step 2: Convert to fraction form
    11,026.93/15,211.32 = 6,986.62/x
  3. Step 3: Cross multiply
    11,026.93x = 15,211.32 × 6,986.62
  4. Step 4: Simplify right side
    11,026.93x = 106,275,712.54
  5. Step 5: Solve for x
    x = 106,275,712.54/11,026.93
  6. Step 6: Final answer
    x = 9,637.83

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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.