Home / 19,767.29-29,655.02-8,080.50

Finding the Fourth Proportional to 19,767.29, 29,655.02 and 8,080.50

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Solution

The fourth proportional to 19,767.29, 29,655.02 and 8,080.50 is: 12,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.29 : 29,655.02 = 8,080.50 : x
  2. Step 2: Convert to fraction form
    19,767.29/29,655.02 = 8,080.50/x
  3. Step 3: Cross multiply
    19,767.29x = 29,655.02 × 8,080.50
  4. Step 4: Simplify right side
    19,767.29x = 239,627,409.31
  5. Step 5: Solve for x
    x = 239,627,409.31/19,767.29
  6. Step 6: Final answer
    x = 12,122.42

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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.