Home / 21,479.08-32,227.86-11,098.12

Finding the Fourth Proportional to 21,479.08, 32,227.86 and 11,098.12

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Solution

The fourth proportional to 21,479.08, 32,227.86 and 11,098.12 is: 16,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.08 : 32,227.86 = 11,098.12 : x
  2. Step 2: Convert to fraction form
    21,479.08/32,227.86 = 11,098.12/x
  3. Step 3: Cross multiply
    21,479.08x = 32,227.86 × 11,098.12
  4. Step 4: Simplify right side
    21,479.08x = 357,668,657.62
  5. Step 5: Solve for x
    x = 357,668,657.62/21,479.08
  6. Step 6: Final answer
    x = 16,651.95

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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.