Home / 22,077.90-30,467.86-12,006.54

Finding the Fourth Proportional to 22,077.90, 30,467.86 and 12,006.54

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Solution

The fourth proportional to 22,077.90, 30,467.86 and 12,006.54 is: 16,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,077.90 : 30,467.86 = 12,006.54 : x
  2. Step 2: Convert to fraction form
    22,077.90/30,467.86 = 12,006.54/x
  3. Step 3: Cross multiply
    22,077.90x = 30,467.86 × 12,006.54
  4. Step 4: Simplify right side
    22,077.90x = 365,813,579.80
  5. Step 5: Solve for x
    x = 365,813,579.80/22,077.90
  6. Step 6: Final answer
    x = 16,569.22

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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.