Home / 16,451.40-22,688.58-11,661.87

Finding the Fourth Proportional to 16,451.40, 22,688.58 and 11,661.87

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Solution

The fourth proportional to 16,451.40, 22,688.58 and 11,661.87 is: 16,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,451.40 : 22,688.58 = 11,661.87 : x
  2. Step 2: Convert to fraction form
    16,451.40/22,688.58 = 11,661.87/x
  3. Step 3: Cross multiply
    16,451.40x = 22,688.58 × 11,661.87
  4. Step 4: Simplify right side
    16,451.40x = 264,591,270.44
  5. Step 5: Solve for x
    x = 264,591,270.44/16,451.40
  6. Step 6: Final answer
    x = 16,083.21

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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.