Home / 19,392.52-29,074.20-13,136.80

Finding the Fourth Proportional to 19,392.52, 29,074.20 and 13,136.80

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Solution

The fourth proportional to 19,392.52, 29,074.20 and 13,136.80 is: 19,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.52 : 29,074.20 = 13,136.80 : x
  2. Step 2: Convert to fraction form
    19,392.52/29,074.20 = 13,136.80/x
  3. Step 3: Cross multiply
    19,392.52x = 29,074.20 × 13,136.80
  4. Step 4: Simplify right side
    19,392.52x = 381,941,950.56
  5. Step 5: Solve for x
    x = 381,941,950.56/19,392.52
  6. Step 6: Final answer
    x = 19,695.32

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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.