Home / 16,964.20-25,446.30-11,715.40

Finding the Fourth Proportional to 16,964.20, 25,446.30 and 11,715.40

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Solution

The fourth proportional to 16,964.20, 25,446.30 and 11,715.40 is: 17,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,964.20 : 25,446.30 = 11,715.40 : x
  2. Step 2: Convert to fraction form
    16,964.20/25,446.30 = 11,715.40/x
  3. Step 3: Cross multiply
    16,964.20x = 25,446.30 × 11,715.40
  4. Step 4: Simplify right side
    16,964.20x = 298,113,583.02
  5. Step 5: Solve for x
    x = 298,113,583.02/16,964.20
  6. Step 6: Final answer
    x = 17,573.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.