Home / 11,908.62-16,432.88-6,603.53

Finding the Fourth Proportional to 11,908.62, 16,432.88 and 6,603.53

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Solution

The fourth proportional to 11,908.62, 16,432.88 and 6,603.53 is: 9,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.62 : 16,432.88 = 6,603.53 : x
  2. Step 2: Convert to fraction form
    11,908.62/16,432.88 = 6,603.53/x
  3. Step 3: Cross multiply
    11,908.62x = 16,432.88 × 6,603.53
  4. Step 4: Simplify right side
    11,908.62x = 108,514,900.88
  5. Step 5: Solve for x
    x = 108,514,900.88/11,908.62
  6. Step 6: Final answer
    x = 9,112.30

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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.