Home / 19,786.32-29,682.42-5,746.47

Finding the Fourth Proportional to 19,786.32, 29,682.42 and 5,746.47

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Solution

The fourth proportional to 19,786.32, 29,682.42 and 5,746.47 is: 8,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.32 : 29,682.42 = 5,746.47 : x
  2. Step 2: Convert to fraction form
    19,786.32/29,682.42 = 5,746.47/x
  3. Step 3: Cross multiply
    19,786.32x = 29,682.42 × 5,746.47
  4. Step 4: Simplify right side
    19,786.32x = 170,569,136.06
  5. Step 5: Solve for x
    x = 170,569,136.06/19,786.32
  6. Step 6: Final answer
    x = 8,620.56

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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.