Home / 10,006.72-13,763.68-8,201.24

Finding the Fourth Proportional to 10,006.72, 13,763.68 and 8,201.24

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Solution

The fourth proportional to 10,006.72, 13,763.68 and 8,201.24 is: 11,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.72 : 13,763.68 = 8,201.24 : x
  2. Step 2: Convert to fraction form
    10,006.72/13,763.68 = 8,201.24/x
  3. Step 3: Cross multiply
    10,006.72x = 13,763.68 × 8,201.24
  4. Step 4: Simplify right side
    10,006.72x = 112,879,242.96
  5. Step 5: Solve for x
    x = 112,879,242.96/10,006.72
  6. Step 6: Final answer
    x = 11,280.34

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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.