Home / 11,127.47-16,689.07-3,336.28

Finding the Fourth Proportional to 11,127.47, 16,689.07 and 3,336.28

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Solution

The fourth proportional to 11,127.47, 16,689.07 and 3,336.28 is: 5,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.47 : 16,689.07 = 3,336.28 : x
  2. Step 2: Convert to fraction form
    11,127.47/16,689.07 = 3,336.28/x
  3. Step 3: Cross multiply
    11,127.47x = 16,689.07 × 3,336.28
  4. Step 4: Simplify right side
    11,127.47x = 55,679,410.46
  5. Step 5: Solve for x
    x = 55,679,410.46/11,127.47
  6. Step 6: Final answer
    x = 5,003.78

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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.