Home / 11,165.07-16,759.91-6,490.35

Finding the Fourth Proportional to 11,165.07, 16,759.91 and 6,490.35

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Solution

The fourth proportional to 11,165.07, 16,759.91 and 6,490.35 is: 9,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.07 : 16,759.91 = 6,490.35 : x
  2. Step 2: Convert to fraction form
    11,165.07/16,759.91 = 6,490.35/x
  3. Step 3: Cross multiply
    11,165.07x = 16,759.91 × 6,490.35
  4. Step 4: Simplify right side
    11,165.07x = 108,777,649.42
  5. Step 5: Solve for x
    x = 108,777,649.42/11,165.07
  6. Step 6: Final answer
    x = 9,742.68

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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.