Home / 22,247.88-30,699.99-13,293.60

Finding the Fourth Proportional to 22,247.88, 30,699.99 and 13,293.60

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Solution

The fourth proportional to 22,247.88, 30,699.99 and 13,293.60 is: 18,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.88 : 30,699.99 = 13,293.60 : x
  2. Step 2: Convert to fraction form
    22,247.88/30,699.99 = 13,293.60/x
  3. Step 3: Cross multiply
    22,247.88x = 30,699.99 × 13,293.60
  4. Step 4: Simplify right side
    22,247.88x = 408,113,387.06
  5. Step 5: Solve for x
    x = 408,113,387.06/22,247.88
  6. Step 6: Final answer
    x = 18,343.92

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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.