Home / 19,391.88-29,107.26-13,065.98

Finding the Fourth Proportional to 19,391.88, 29,107.26 and 13,065.98

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Solution

The fourth proportional to 19,391.88, 29,107.26 and 13,065.98 is: 19,612.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.88 : 29,107.26 = 13,065.98 : x
  2. Step 2: Convert to fraction form
    19,391.88/29,107.26 = 13,065.98/x
  3. Step 3: Cross multiply
    19,391.88x = 29,107.26 × 13,065.98
  4. Step 4: Simplify right side
    19,391.88x = 380,314,949.78
  5. Step 5: Solve for x
    x = 380,314,949.78/19,391.88
  6. Step 6: Final answer
    x = 19,612.07

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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.