Home / 11,822.02-17,721.69-5,247.52

Finding the Fourth Proportional to 11,822.02, 17,721.69 and 5,247.52

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Solution

The fourth proportional to 11,822.02, 17,721.69 and 5,247.52 is: 7,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.02 : 17,721.69 = 5,247.52 : x
  2. Step 2: Convert to fraction form
    11,822.02/17,721.69 = 5,247.52/x
  3. Step 3: Cross multiply
    11,822.02x = 17,721.69 × 5,247.52
  4. Step 4: Simplify right side
    11,822.02x = 92,994,922.71
  5. Step 5: Solve for x
    x = 92,994,922.71/11,822.02
  6. Step 6: Final answer
    x = 7,866.25

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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.