Home / 11,983.02-17,967.66-3,660.72

Finding the Fourth Proportional to 11,983.02, 17,967.66 and 3,660.72

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Solution

The fourth proportional to 11,983.02, 17,967.66 and 3,660.72 is: 5,488.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.02 : 17,967.66 = 3,660.72 : x
  2. Step 2: Convert to fraction form
    11,983.02/17,967.66 = 3,660.72/x
  3. Step 3: Cross multiply
    11,983.02x = 17,967.66 × 3,660.72
  4. Step 4: Simplify right side
    11,983.02x = 65,774,572.32
  5. Step 5: Solve for x
    x = 65,774,572.32/11,983.02
  6. Step 6: Final answer
    x = 5,488.98

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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.