Home / 19,999.10-29,998.92-6,851.18

Finding the Fourth Proportional to 19,999.10, 29,998.92 and 6,851.18

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Solution

The fourth proportional to 19,999.10, 29,998.92 and 6,851.18 is: 10,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.10 : 29,998.92 = 6,851.18 : x
  2. Step 2: Convert to fraction form
    19,999.10/29,998.92 = 6,851.18/x
  3. Step 3: Cross multiply
    19,999.10x = 29,998.92 × 6,851.18
  4. Step 4: Simplify right side
    19,999.10x = 205,528,000.73
  5. Step 5: Solve for x
    x = 205,528,000.73/19,999.10
  6. Step 6: Final answer
    x = 10,276.86

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1.5x scale

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.