Home / 22,280.31-30,746.66-12,208.57

Finding the Fourth Proportional to 22,280.31, 30,746.66 and 12,208.57

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Solution

The fourth proportional to 22,280.31, 30,746.66 and 12,208.57 is: 16,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.31 : 30,746.66 = 12,208.57 : x
  2. Step 2: Convert to fraction form
    22,280.31/30,746.66 = 12,208.57/x
  3. Step 3: Cross multiply
    22,280.31x = 30,746.66 × 12,208.57
  4. Step 4: Simplify right side
    22,280.31x = 375,372,612.97
  5. Step 5: Solve for x
    x = 375,372,612.97/22,280.31
  6. Step 6: Final answer
    x = 16,847.73

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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.