Home / 16,982.98-23,439.30-9,909.38

Finding the Fourth Proportional to 16,982.98, 23,439.30 and 9,909.38

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Solution

The fourth proportional to 16,982.98, 23,439.30 and 9,909.38 is: 13,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.98 : 23,439.30 = 9,909.38 : x
  2. Step 2: Convert to fraction form
    16,982.98/23,439.30 = 9,909.38/x
  3. Step 3: Cross multiply
    16,982.98x = 23,439.30 × 9,909.38
  4. Step 4: Simplify right side
    16,982.98x = 232,268,989.23
  5. Step 5: Solve for x
    x = 232,268,989.23/16,982.98
  6. Step 6: Final answer
    x = 13,676.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.