Home / 22,170.89-30,594.60-12,609.48

Finding the Fourth Proportional to 22,170.89, 30,594.60 and 12,609.48

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Solution

The fourth proportional to 22,170.89, 30,594.60 and 12,609.48 is: 17,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.89 : 30,594.60 = 12,609.48 : x
  2. Step 2: Convert to fraction form
    22,170.89/30,594.60 = 12,609.48/x
  3. Step 3: Cross multiply
    22,170.89x = 30,594.60 × 12,609.48
  4. Step 4: Simplify right side
    22,170.89x = 385,781,996.81
  5. Step 5: Solve for x
    x = 385,781,996.81/22,170.89
  6. Step 6: Final answer
    x = 17,400.39

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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.