Home / 10,156.24-15,221.36-5,224.96

Finding the Fourth Proportional to 10,156.24, 15,221.36 and 5,224.96

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Solution

The fourth proportional to 10,156.24, 15,221.36 and 5,224.96 is: 7,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.24 : 15,221.36 = 5,224.96 : x
  2. Step 2: Convert to fraction form
    10,156.24/15,221.36 = 5,224.96/x
  3. Step 3: Cross multiply
    10,156.24x = 15,221.36 × 5,224.96
  4. Step 4: Simplify right side
    10,156.24x = 79,530,997.15
  5. Step 5: Solve for x
    x = 79,530,997.15/10,156.24
  6. Step 6: Final answer
    x = 7,830.75

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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.