Home / 16,171.45-22,309.22-11,688.10

Finding the Fourth Proportional to 16,171.45, 22,309.22 and 11,688.10

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Solution

The fourth proportional to 16,171.45, 22,309.22 and 11,688.10 is: 16,124.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,171.45 : 22,309.22 = 11,688.10 : x
  2. Step 2: Convert to fraction form
    16,171.45/22,309.22 = 11,688.10/x
  3. Step 3: Cross multiply
    16,171.45x = 22,309.22 × 11,688.10
  4. Step 4: Simplify right side
    16,171.45x = 260,752,367.73
  5. Step 5: Solve for x
    x = 260,752,367.73/16,171.45
  6. Step 6: Final answer
    x = 16,124.24

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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.