Home / 19,165.46-28,694.84-9,785.20

Finding the Fourth Proportional to 19,165.46, 28,694.84 and 9,785.20

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Solution

The fourth proportional to 19,165.46, 28,694.84 and 9,785.20 is: 14,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.46 : 28,694.84 = 9,785.20 : x
  2. Step 2: Convert to fraction form
    19,165.46/28,694.84 = 9,785.20/x
  3. Step 3: Cross multiply
    19,165.46x = 28,694.84 × 9,785.20
  4. Step 4: Simplify right side
    19,165.46x = 280,784,748.37
  5. Step 5: Solve for x
    x = 280,784,748.37/19,165.46
  6. Step 6: Final answer
    x = 14,650.56

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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.