Home / 11,214.86-16,822.08-3,423.47

Finding the Fourth Proportional to 11,214.86, 16,822.08 and 3,423.47

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Solution

The fourth proportional to 11,214.86, 16,822.08 and 3,423.47 is: 5,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.86 : 16,822.08 = 3,423.47 : x
  2. Step 2: Convert to fraction form
    11,214.86/16,822.08 = 3,423.47/x
  3. Step 3: Cross multiply
    11,214.86x = 16,822.08 × 3,423.47
  4. Step 4: Simplify right side
    11,214.86x = 57,589,802.11
  5. Step 5: Solve for x
    x = 57,589,802.11/11,214.86
  6. Step 6: Final answer
    x = 5,135.14

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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.