Home / 11,124.86-16,689.20-3,730.02

Finding the Fourth Proportional to 11,124.86, 16,689.20 and 3,730.02

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Solution

The fourth proportional to 11,124.86, 16,689.20 and 3,730.02 is: 5,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.86 : 16,689.20 = 3,730.02 : x
  2. Step 2: Convert to fraction form
    11,124.86/16,689.20 = 3,730.02/x
  3. Step 3: Cross multiply
    11,124.86x = 16,689.20 × 3,730.02
  4. Step 4: Simplify right side
    11,124.86x = 62,251,049.78
  5. Step 5: Solve for x
    x = 62,251,049.78/11,124.86
  6. Step 6: Final answer
    x = 5,595.67

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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.