Home / 22,250.48-30,705.68-12,819.04

Finding the Fourth Proportional to 22,250.48, 30,705.68 and 12,819.04

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Solution

The fourth proportional to 22,250.48, 30,705.68 and 12,819.04 is: 17,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.48 : 30,705.68 = 12,819.04 : x
  2. Step 2: Convert to fraction form
    22,250.48/30,705.68 = 12,819.04/x
  3. Step 3: Cross multiply
    22,250.48x = 30,705.68 × 12,819.04
  4. Step 4: Simplify right side
    22,250.48x = 393,617,340.15
  5. Step 5: Solve for x
    x = 393,617,340.15/22,250.48
  6. Step 6: Final answer
    x = 17,690.29

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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.