Home / 22,272.06-30,735.40-12,201.10

Finding the Fourth Proportional to 22,272.06, 30,735.40 and 12,201.10

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Solution

The fourth proportional to 22,272.06, 30,735.40 and 12,201.10 is: 16,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.06 : 30,735.40 = 12,201.10 : x
  2. Step 2: Convert to fraction form
    22,272.06/30,735.40 = 12,201.10/x
  3. Step 3: Cross multiply
    22,272.06x = 30,735.40 × 12,201.10
  4. Step 4: Simplify right side
    22,272.06x = 375,005,688.94
  5. Step 5: Solve for x
    x = 375,005,688.94/22,272.06
  6. Step 6: Final answer
    x = 16,837.49

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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.