Home / 19,446.91-29,170.41-13,191.45

Finding the Fourth Proportional to 19,446.91, 29,170.41 and 13,191.45

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Solution

The fourth proportional to 19,446.91, 29,170.41 and 13,191.45 is: 19,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.91 : 29,170.41 = 13,191.45 : x
  2. Step 2: Convert to fraction form
    19,446.91/29,170.41 = 13,191.45/x
  3. Step 3: Cross multiply
    19,446.91x = 29,170.41 × 13,191.45
  4. Step 4: Simplify right side
    19,446.91x = 384,800,004.99
  5. Step 5: Solve for x
    x = 384,800,004.99/19,446.91
  6. Step 6: Final answer
    x = 19,787.21

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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.