Home / 13,397.80-20,104.54-5,605.96

Finding the Fourth Proportional to 13,397.80, 20,104.54 and 5,605.96

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Solution

The fourth proportional to 13,397.80, 20,104.54 and 5,605.96 is: 8,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.80 : 20,104.54 = 5,605.96 : x
  2. Step 2: Convert to fraction form
    13,397.80/20,104.54 = 5,605.96/x
  3. Step 3: Cross multiply
    13,397.80x = 20,104.54 × 5,605.96
  4. Step 4: Simplify right side
    13,397.80x = 112,705,247.06
  5. Step 5: Solve for x
    x = 112,705,247.06/13,397.80
  6. Step 6: Final answer
    x = 8,412.22

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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.