Home / 17,891.04-26,836.80-5,411.19

Finding the Fourth Proportional to 17,891.04, 26,836.80 and 5,411.19

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Solution

The fourth proportional to 17,891.04, 26,836.80 and 5,411.19 is: 8,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.04 : 26,836.80 = 5,411.19 : x
  2. Step 2: Convert to fraction form
    17,891.04/26,836.80 = 5,411.19/x
  3. Step 3: Cross multiply
    17,891.04x = 26,836.80 × 5,411.19
  4. Step 4: Simplify right side
    17,891.04x = 145,219,023.79
  5. Step 5: Solve for x
    x = 145,219,023.79/17,891.04
  6. Step 6: Final answer
    x = 8,116.86

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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.