Home / 16,940.56-23,377.96-9,871.76

Finding the Fourth Proportional to 16,940.56, 23,377.96 and 9,871.76

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Solution

The fourth proportional to 16,940.56, 23,377.96 and 9,871.76 is: 13,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.56 : 23,377.96 = 9,871.76 : x
  2. Step 2: Convert to fraction form
    16,940.56/23,377.96 = 9,871.76/x
  3. Step 3: Cross multiply
    16,940.56x = 23,377.96 × 9,871.76
  4. Step 4: Simplify right side
    16,940.56x = 230,781,610.41
  5. Step 5: Solve for x
    x = 230,781,610.41/16,940.56
  6. Step 6: Final answer
    x = 13,623.02

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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.