Home / 19,811.43-29,712.38-5,767.65

Finding the Fourth Proportional to 19,811.43, 29,712.38 and 5,767.65

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Solution

The fourth proportional to 19,811.43, 29,712.38 and 5,767.65 is: 8,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.43 : 29,712.38 = 5,767.65 : x
  2. Step 2: Convert to fraction form
    19,811.43/29,712.38 = 5,767.65/x
  3. Step 3: Cross multiply
    19,811.43x = 29,712.38 × 5,767.65
  4. Step 4: Simplify right side
    19,811.43x = 171,370,579.67
  5. Step 5: Solve for x
    x = 171,370,579.67/19,811.43
  6. Step 6: Final answer
    x = 8,650.09

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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.