Home / 15,638.24-23,459.29-5,105.44

Finding the Fourth Proportional to 15,638.24, 23,459.29 and 5,105.44

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Solution

The fourth proportional to 15,638.24, 23,459.29 and 5,105.44 is: 7,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.24 : 23,459.29 = 5,105.44 : x
  2. Step 2: Convert to fraction form
    15,638.24/23,459.29 = 5,105.44/x
  3. Step 3: Cross multiply
    15,638.24x = 23,459.29 × 5,105.44
  4. Step 4: Simplify right side
    15,638.24x = 119,769,997.54
  5. Step 5: Solve for x
    x = 119,769,997.54/15,638.24
  6. Step 6: Final answer
    x = 7,658.79

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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.