Home / 19,113.72-28,650.30-10,223.64

Finding the Fourth Proportional to 19,113.72, 28,650.30 and 10,223.64

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Solution

The fourth proportional to 19,113.72, 28,650.30 and 10,223.64 is: 15,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.72 : 28,650.30 = 10,223.64 : x
  2. Step 2: Convert to fraction form
    19,113.72/28,650.30 = 10,223.64/x
  3. Step 3: Cross multiply
    19,113.72x = 28,650.30 × 10,223.64
  4. Step 4: Simplify right side
    19,113.72x = 292,910,353.09
  5. Step 5: Solve for x
    x = 292,910,353.09/19,113.72
  6. Step 6: Final answer
    x = 15,324.61

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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.