Home / 10,899.87-16,358.57-5,636.43

Finding the Fourth Proportional to 10,899.87, 16,358.57 and 5,636.43

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Solution

The fourth proportional to 10,899.87, 16,358.57 and 5,636.43 is: 8,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.87 : 16,358.57 = 5,636.43 : x
  2. Step 2: Convert to fraction form
    10,899.87/16,358.57 = 5,636.43/x
  3. Step 3: Cross multiply
    10,899.87x = 16,358.57 × 5,636.43
  4. Step 4: Simplify right side
    10,899.87x = 92,203,934.71
  5. Step 5: Solve for x
    x = 92,203,934.71/10,899.87
  6. Step 6: Final answer
    x = 8,459.18

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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.