Home / 11,560.80-17,333.52-4,985.28

Finding the Fourth Proportional to 11,560.80, 17,333.52 and 4,985.28

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Solution

The fourth proportional to 11,560.80, 17,333.52 and 4,985.28 is: 7,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,560.80 : 17,333.52 = 4,985.28 : x
  2. Step 2: Convert to fraction form
    11,560.80/17,333.52 = 4,985.28/x
  3. Step 3: Cross multiply
    11,560.80x = 17,333.52 × 4,985.28
  4. Step 4: Simplify right side
    11,560.80x = 86,412,450.59
  5. Step 5: Solve for x
    x = 86,412,450.59/11,560.80
  6. Step 6: Final answer
    x = 7,474.61

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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.