Home / 21,738.12-32,594.06-11,863.68

Finding the Fourth Proportional to 21,738.12, 32,594.06 and 11,863.68

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Solution

The fourth proportional to 21,738.12, 32,594.06 and 11,863.68 is: 17,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.12 : 32,594.06 = 11,863.68 : x
  2. Step 2: Convert to fraction form
    21,738.12/32,594.06 = 11,863.68/x
  3. Step 3: Cross multiply
    21,738.12x = 32,594.06 × 11,863.68
  4. Step 4: Simplify right side
    21,738.12x = 386,685,497.74
  5. Step 5: Solve for x
    x = 386,685,497.74/21,738.12
  6. Step 6: Final answer
    x = 17,788.36

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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.