Home / 17,890.86-26,836.60-5,411.02

Finding the Fourth Proportional to 17,890.86, 26,836.60 and 5,411.02

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Solution

The fourth proportional to 17,890.86, 26,836.60 and 5,411.02 is: 8,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.86 : 26,836.60 = 5,411.02 : x
  2. Step 2: Convert to fraction form
    17,890.86/26,836.60 = 5,411.02/x
  3. Step 3: Cross multiply
    17,890.86x = 26,836.60 × 5,411.02
  4. Step 4: Simplify right side
    17,890.86x = 145,213,379.33
  5. Step 5: Solve for x
    x = 145,213,379.33/17,890.86
  6. Step 6: Final answer
    x = 8,116.62

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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.