Home / 22,282.54-30,750.30-12,210.31

Finding the Fourth Proportional to 22,282.54, 30,750.30 and 12,210.31

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Solution

The fourth proportional to 22,282.54, 30,750.30 and 12,210.31 is: 16,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.54 : 30,750.30 = 12,210.31 : x
  2. Step 2: Convert to fraction form
    22,282.54/30,750.30 = 12,210.31/x
  3. Step 3: Cross multiply
    22,282.54x = 30,750.30 × 12,210.31
  4. Step 4: Simplify right side
    22,282.54x = 375,470,695.59
  5. Step 5: Solve for x
    x = 375,470,695.59/22,282.54
  6. Step 6: Final answer
    x = 16,850.44

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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.