Home / 17,811.78-24,563.97-15,293.09

Finding the Fourth Proportional to 17,811.78, 24,563.97 and 15,293.09

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Solution

The fourth proportional to 17,811.78, 24,563.97 and 15,293.09 is: 21,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.78 : 24,563.97 = 15,293.09 : x
  2. Step 2: Convert to fraction form
    17,811.78/24,563.97 = 15,293.09/x
  3. Step 3: Cross multiply
    17,811.78x = 24,563.97 × 15,293.09
  4. Step 4: Simplify right side
    17,811.78x = 375,658,881.15
  5. Step 5: Solve for x
    x = 375,658,881.15/17,811.78
  6. Step 6: Final answer
    x = 21,090.47

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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.