Home / 15,408.02-23,117.82-9,171.62

Finding the Fourth Proportional to 15,408.02, 23,117.82 and 9,171.62

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Solution

The fourth proportional to 15,408.02, 23,117.82 and 9,171.62 is: 13,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.02 : 23,117.82 = 9,171.62 : x
  2. Step 2: Convert to fraction form
    15,408.02/23,117.82 = 9,171.62/x
  3. Step 3: Cross multiply
    15,408.02x = 23,117.82 × 9,171.62
  4. Step 4: Simplify right side
    15,408.02x = 212,027,860.27
  5. Step 5: Solve for x
    x = 212,027,860.27/15,408.02
  6. Step 6: Final answer
    x = 13,760.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.