Home / 22,244.90-30,694.93-13,290.50

Finding the Fourth Proportional to 22,244.90, 30,694.93 and 13,290.50

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Solution

The fourth proportional to 22,244.90, 30,694.93 and 13,290.50 is: 18,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244.90 : 30,694.93 = 13,290.50 : x
  2. Step 2: Convert to fraction form
    22,244.90/30,694.93 = 13,290.50/x
  3. Step 3: Cross multiply
    22,244.90x = 30,694.93 × 13,290.50
  4. Step 4: Simplify right side
    22,244.90x = 407,951,010.68
  5. Step 5: Solve for x
    x = 407,951,010.68/22,244.90
  6. Step 6: Final answer
    x = 18,339.08

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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.