Home / 8,352.99-11,513.12-6,669

Finding the Fourth Proportional to 8,352.99, 11,513.12 and 6,669

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Solution

The fourth proportional to 8,352.99, 11,513.12 and 6,669 is: 9,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.99 : 11,513.12 = 6,669 : x
  2. Step 2: Convert to fraction form
    8,352.99/11,513.12 = 6,669/x
  3. Step 3: Cross multiply
    8,352.99x = 11,513.12 × 6,669
  4. Step 4: Simplify right side
    8,352.99x = 76,780,997.28
  5. Step 5: Solve for x
    x = 76,780,997.28/8,352.99
  6. Step 6: Final answer
    x = 9,192.04

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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.