Home / 11,324.61-16,971.47-4,300.86

Finding the Fourth Proportional to 11,324.61, 16,971.47 and 4,300.86

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Solution

The fourth proportional to 11,324.61, 16,971.47 and 4,300.86 is: 6,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.61 : 16,971.47 = 4,300.86 : x
  2. Step 2: Convert to fraction form
    11,324.61/16,971.47 = 4,300.86/x
  3. Step 3: Cross multiply
    11,324.61x = 16,971.47 × 4,300.86
  4. Step 4: Simplify right side
    11,324.61x = 72,991,894.96
  5. Step 5: Solve for x
    x = 72,991,894.96/11,324.61
  6. Step 6: Final answer
    x = 6,445.42

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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.