Home / 22,170.96-30,585.36-15,003.39

Finding the Fourth Proportional to 22,170.96, 30,585.36 and 15,003.39

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Solution

The fourth proportional to 22,170.96, 30,585.36 and 15,003.39 is: 20,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.96 : 30,585.36 = 15,003.39 : x
  2. Step 2: Convert to fraction form
    22,170.96/30,585.36 = 15,003.39/x
  3. Step 3: Cross multiply
    22,170.96x = 30,585.36 × 15,003.39
  4. Step 4: Simplify right side
    22,170.96x = 458,884,084.37
  5. Step 5: Solve for x
    x = 458,884,084.37/22,170.96
  6. Step 6: Final answer
    x = 20,697.53

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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.