Home / 11,125.29-16,689.86-3,730.46

Finding the Fourth Proportional to 11,125.29, 16,689.86 and 3,730.46

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Solution

The fourth proportional to 11,125.29, 16,689.86 and 3,730.46 is: 5,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.29 : 16,689.86 = 3,730.46 : x
  2. Step 2: Convert to fraction form
    11,125.29/16,689.86 = 3,730.46/x
  3. Step 3: Cross multiply
    11,125.29x = 16,689.86 × 3,730.46
  4. Step 4: Simplify right side
    11,125.29x = 62,260,892.20
  5. Step 5: Solve for x
    x = 62,260,892.20/11,125.29
  6. Step 6: Final answer
    x = 5,596.34

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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.