Home / 17,938.53-24,729.25-11,878.63

Finding the Fourth Proportional to 17,938.53, 24,729.25 and 11,878.63

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Solution

The fourth proportional to 17,938.53, 24,729.25 and 11,878.63 is: 16,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.53 : 24,729.25 = 11,878.63 : x
  2. Step 2: Convert to fraction form
    17,938.53/24,729.25 = 11,878.63/x
  3. Step 3: Cross multiply
    17,938.53x = 24,729.25 × 11,878.63
  4. Step 4: Simplify right side
    17,938.53x = 293,749,610.93
  5. Step 5: Solve for x
    x = 293,749,610.93/17,938.53
  6. Step 6: Final answer
    x = 16,375.34

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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.