Home / 11,562.80-17,336.52-4,987.28

Finding the Fourth Proportional to 11,562.80, 17,336.52 and 4,987.28

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Solution

The fourth proportional to 11,562.80, 17,336.52 and 4,987.28 is: 7,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.80 : 17,336.52 = 4,987.28 : x
  2. Step 2: Convert to fraction form
    11,562.80/17,336.52 = 4,987.28/x
  3. Step 3: Cross multiply
    11,562.80x = 17,336.52 × 4,987.28
  4. Step 4: Simplify right side
    11,562.80x = 86,462,079.47
  5. Step 5: Solve for x
    x = 86,462,079.47/11,562.80
  6. Step 6: Final answer
    x = 7,477.61

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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.