Home / 16,170.70-22,308.19-11,687.35

Finding the Fourth Proportional to 16,170.70, 22,308.19 and 11,687.35

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Solution

The fourth proportional to 16,170.70, 22,308.19 and 11,687.35 is: 16,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,170.70 : 22,308.19 = 11,687.35 : x
  2. Step 2: Convert to fraction form
    16,170.70/22,308.19 = 11,687.35/x
  3. Step 3: Cross multiply
    16,170.70x = 22,308.19 × 11,687.35
  4. Step 4: Simplify right side
    16,170.70x = 260,723,539.41
  5. Step 5: Solve for x
    x = 260,723,539.41/16,170.70
  6. Step 6: Final answer
    x = 16,123.21

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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.