Home / 22,284.21-30,752.55-12,212.58

Finding the Fourth Proportional to 22,284.21, 30,752.55 and 12,212.58

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Solution

The fourth proportional to 22,284.21, 30,752.55 and 12,212.58 is: 16,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,284.21 : 30,752.55 = 12,212.58 : x
  2. Step 2: Convert to fraction form
    22,284.21/30,752.55 = 12,212.58/x
  3. Step 3: Cross multiply
    22,284.21x = 30,752.55 × 12,212.58
  4. Step 4: Simplify right side
    22,284.21x = 375,567,977.08
  5. Step 5: Solve for x
    x = 375,567,977.08/22,284.21
  6. Step 6: Final answer
    x = 16,853.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.