Home / 16,949.05-23,390.78-9,395.70

Finding the Fourth Proportional to 16,949.05, 23,390.78 and 9,395.70

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Solution

The fourth proportional to 16,949.05, 23,390.78 and 9,395.70 is: 12,966.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,949.05 : 23,390.78 = 9,395.70 : x
  2. Step 2: Convert to fraction form
    16,949.05/23,390.78 = 9,395.70/x
  3. Step 3: Cross multiply
    16,949.05x = 23,390.78 × 9,395.70
  4. Step 4: Simplify right side
    16,949.05x = 219,772,616.95
  5. Step 5: Solve for x
    x = 219,772,616.95/16,949.05
  6. Step 6: Final answer
    x = 12,966.66

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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.