Home / 19,971.02-29,963.72-8,568.18

Finding the Fourth Proportional to 19,971.02, 29,963.72 and 8,568.18

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Solution

The fourth proportional to 19,971.02, 29,963.72 and 8,568.18 is: 12,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.02 : 29,963.72 = 8,568.18 : x
  2. Step 2: Convert to fraction form
    19,971.02/29,963.72 = 8,568.18/x
  3. Step 3: Cross multiply
    19,971.02x = 29,963.72 × 8,568.18
  4. Step 4: Simplify right side
    19,971.02x = 256,734,567.85
  5. Step 5: Solve for x
    x = 256,734,567.85/19,971.02
  6. Step 6: Final answer
    x = 12,855.35

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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.