Home / 8,521.14-11,755.94-6,288.36

Finding the Fourth Proportional to 8,521.14, 11,755.94 and 6,288.36

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Solution

The fourth proportional to 8,521.14, 11,755.94 and 6,288.36 is: 8,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.14 : 11,755.94 = 6,288.36 : x
  2. Step 2: Convert to fraction form
    8,521.14/11,755.94 = 6,288.36/x
  3. Step 3: Cross multiply
    8,521.14x = 11,755.94 × 6,288.36
  4. Step 4: Simplify right side
    8,521.14x = 73,925,551.42
  5. Step 5: Solve for x
    x = 73,925,551.42/8,521.14
  6. Step 6: Final answer
    x = 8,675.55

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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.