Home / 17,731.08-24,469.02-13,757.58

Finding the Fourth Proportional to 17,731.08, 24,469.02 and 13,757.58

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Solution

The fourth proportional to 17,731.08, 24,469.02 and 13,757.58 is: 18,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.08 : 24,469.02 = 13,757.58 : x
  2. Step 2: Convert to fraction form
    17,731.08/24,469.02 = 13,757.58/x
  3. Step 3: Cross multiply
    17,731.08x = 24,469.02 × 13,757.58
  4. Step 4: Simplify right side
    17,731.08x = 336,634,500.17
  5. Step 5: Solve for x
    x = 336,634,500.17/17,731.08
  6. Step 6: Final answer
    x = 18,985.56

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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.