Home / 22,287.02-30,755.30-12,215.22

Finding the Fourth Proportional to 22,287.02, 30,755.30 and 12,215.22

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Solution

The fourth proportional to 22,287.02, 30,755.30 and 12,215.22 is: 16,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.02 : 30,755.30 = 12,215.22 : x
  2. Step 2: Convert to fraction form
    22,287.02/30,755.30 = 12,215.22/x
  3. Step 3: Cross multiply
    22,287.02x = 30,755.30 × 12,215.22
  4. Step 4: Simplify right side
    22,287.02x = 375,682,755.67
  5. Step 5: Solve for x
    x = 375,682,755.67/22,287.02
  6. Step 6: Final answer
    x = 16,856.57

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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.