Home / 19,718.97-29,587.68-8,624.22

Finding the Fourth Proportional to 19,718.97, 29,587.68 and 8,624.22

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Solution

The fourth proportional to 19,718.97, 29,587.68 and 8,624.22 is: 12,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.97 : 29,587.68 = 8,624.22 : x
  2. Step 2: Convert to fraction form
    19,718.97/29,587.68 = 8,624.22/x
  3. Step 3: Cross multiply
    19,718.97x = 29,587.68 × 8,624.22
  4. Step 4: Simplify right side
    19,718.97x = 255,170,661.61
  5. Step 5: Solve for x
    x = 255,170,661.61/19,718.97
  6. Step 6: Final answer
    x = 12,940.36

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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.