Home / 11,086.39-16,620.75-6,401.08

Finding the Fourth Proportional to 11,086.39, 16,620.75 and 6,401.08

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Solution

The fourth proportional to 11,086.39, 16,620.75 and 6,401.08 is: 9,596.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.39 : 16,620.75 = 6,401.08 : x
  2. Step 2: Convert to fraction form
    11,086.39/16,620.75 = 6,401.08/x
  3. Step 3: Cross multiply
    11,086.39x = 16,620.75 × 6,401.08
  4. Step 4: Simplify right side
    11,086.39x = 106,390,738.81
  5. Step 5: Solve for x
    x = 106,390,738.81/11,086.39
  6. Step 6: Final answer
    x = 9,596.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.