Home / 11,127.10-16,688.52-3,335.90

Finding the Fourth Proportional to 11,127.10, 16,688.52 and 3,335.90

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Solution

The fourth proportional to 11,127.10, 16,688.52 and 3,335.90 is: 5,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.10 : 16,688.52 = 3,335.90 : x
  2. Step 2: Convert to fraction form
    11,127.10/16,688.52 = 3,335.90/x
  3. Step 3: Cross multiply
    11,127.10x = 16,688.52 × 3,335.90
  4. Step 4: Simplify right side
    11,127.10x = 55,671,233.87
  5. Step 5: Solve for x
    x = 55,671,233.87/11,127.10
  6. Step 6: Final answer
    x = 5,003.21

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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.