Home / 16,865.46-23,274.32-9,311.78

Finding the Fourth Proportional to 16,865.46, 23,274.32 and 9,311.78

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Solution

The fourth proportional to 16,865.46, 23,274.32 and 9,311.78 is: 12,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.46 : 23,274.32 = 9,311.78 : x
  2. Step 2: Convert to fraction form
    16,865.46/23,274.32 = 9,311.78/x
  3. Step 3: Cross multiply
    16,865.46x = 23,274.32 × 9,311.78
  4. Step 4: Simplify right side
    16,865.46x = 216,725,184.56
  5. Step 5: Solve for x
    x = 216,725,184.56/16,865.46
  6. Step 6: Final answer
    x = 12,850.24

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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.