Home / 22,284.40-30,752.72-12,212.63

Finding the Fourth Proportional to 22,284.40, 30,752.72 and 12,212.63

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Solution

The fourth proportional to 22,284.40, 30,752.72 and 12,212.63 is: 16,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,284.40 : 30,752.72 = 12,212.63 : x
  2. Step 2: Convert to fraction form
    22,284.40/30,752.72 = 12,212.63/x
  3. Step 3: Cross multiply
    22,284.40x = 30,752.72 × 12,212.63
  4. Step 4: Simplify right side
    22,284.40x = 375,571,483.44
  5. Step 5: Solve for x
    x = 375,571,483.44/22,284.40
  6. Step 6: Final answer
    x = 16,853.56

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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.