Home / 11,288-15,577.92-6,571.52

Finding the Fourth Proportional to 11,288, 15,577.92 and 6,571.52

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Solution

The fourth proportional to 11,288, 15,577.92 and 6,571.52 is: 9,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288 : 15,577.92 = 6,571.52 : x
  2. Step 2: Convert to fraction form
    11,288/15,577.92 = 6,571.52/x
  3. Step 3: Cross multiply
    11,288x = 15,577.92 × 6,571.52
  4. Step 4: Simplify right side
    11,288x = 102,370,612.84
  5. Step 5: Solve for x
    x = 102,370,612.84/11,288
  6. Step 6: Final answer
    x = 9,068.98

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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.