Home / 11,282.52-16,899.14-4,688.72

Finding the Fourth Proportional to 11,282.52, 16,899.14 and 4,688.72

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Solution

The fourth proportional to 11,282.52, 16,899.14 and 4,688.72 is: 7,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.52 : 16,899.14 = 4,688.72 : x
  2. Step 2: Convert to fraction form
    11,282.52/16,899.14 = 4,688.72/x
  3. Step 3: Cross multiply
    11,282.52x = 16,899.14 × 4,688.72
  4. Step 4: Simplify right side
    11,282.52x = 79,235,227.76
  5. Step 5: Solve for x
    x = 79,235,227.76/11,282.52
  6. Step 6: Final answer
    x = 7,022.83

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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.