Home / 16,865.53-23,274.30-9,311.88

Finding the Fourth Proportional to 16,865.53, 23,274.30 and 9,311.88

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Solution

The fourth proportional to 16,865.53, 23,274.30 and 9,311.88 is: 12,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.53 : 23,274.30 = 9,311.88 : x
  2. Step 2: Convert to fraction form
    16,865.53/23,274.30 = 9,311.88/x
  3. Step 3: Cross multiply
    16,865.53x = 23,274.30 × 9,311.88
  4. Step 4: Simplify right side
    16,865.53x = 216,727,488.68
  5. Step 5: Solve for x
    x = 216,727,488.68/16,865.53
  6. Step 6: Final answer
    x = 12,850.32

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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.