Home / 10,688.21-16,035.27-4,451.15

Finding the Fourth Proportional to 10,688.21, 16,035.27 and 4,451.15

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Solution

The fourth proportional to 10,688.21, 16,035.27 and 4,451.15 is: 6,677.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.21 : 16,035.27 = 4,451.15 : x
  2. Step 2: Convert to fraction form
    10,688.21/16,035.27 = 4,451.15/x
  3. Step 3: Cross multiply
    10,688.21x = 16,035.27 × 4,451.15
  4. Step 4: Simplify right side
    10,688.21x = 71,375,392.06
  5. Step 5: Solve for x
    x = 71,375,392.06/10,688.21
  6. Step 6: Final answer
    x = 6,677.96

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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.