Home / 11,126.25-16,689.38-3,335.06

Finding the Fourth Proportional to 11,126.25, 16,689.38 and 3,335.06

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Solution

The fourth proportional to 11,126.25, 16,689.38 and 3,335.06 is: 5,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.25 : 16,689.38 = 3,335.06 : x
  2. Step 2: Convert to fraction form
    11,126.25/16,689.38 = 3,335.06/x
  3. Step 3: Cross multiply
    11,126.25x = 16,689.38 × 3,335.06
  4. Step 4: Simplify right side
    11,126.25x = 55,660,108.71
  5. Step 5: Solve for x
    x = 55,660,108.71/11,126.25
  6. Step 6: Final answer
    x = 5,002.59

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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.