Home / 11,278.76-15,568.50-6,566.96

Finding the Fourth Proportional to 11,278.76, 15,568.50 and 6,566.96

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Solution

The fourth proportional to 11,278.76, 15,568.50 and 6,566.96 is: 9,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.76 : 15,568.50 = 6,566.96 : x
  2. Step 2: Convert to fraction form
    11,278.76/15,568.50 = 6,566.96/x
  3. Step 3: Cross multiply
    11,278.76x = 15,568.50 × 6,566.96
  4. Step 4: Simplify right side
    11,278.76x = 102,237,716.76
  5. Step 5: Solve for x
    x = 102,237,716.76/11,278.76
  6. Step 6: Final answer
    x = 9,064.62

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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.