Home / 22,390.74-33,503.27-13,511.21

Finding the Fourth Proportional to 22,390.74, 33,503.27 and 13,511.21

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Solution

The fourth proportional to 22,390.74, 33,503.27 and 13,511.21 is: 20,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.74 : 33,503.27 = 13,511.21 : x
  2. Step 2: Convert to fraction form
    22,390.74/33,503.27 = 13,511.21/x
  3. Step 3: Cross multiply
    22,390.74x = 33,503.27 × 13,511.21
  4. Step 4: Simplify right side
    22,390.74x = 452,669,481.58
  5. Step 5: Solve for x
    x = 452,669,481.58/22,390.74
  6. Step 6: Final answer
    x = 20,216.82

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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.