Home / 10,626.22-15,939.34-4,781.26

Finding the Fourth Proportional to 10,626.22, 15,939.34 and 4,781.26

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Solution

The fourth proportional to 10,626.22, 15,939.34 and 4,781.26 is: 7,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.22 : 15,939.34 = 4,781.26 : x
  2. Step 2: Convert to fraction form
    10,626.22/15,939.34 = 4,781.26/x
  3. Step 3: Cross multiply
    10,626.22x = 15,939.34 × 4,781.26
  4. Step 4: Simplify right side
    10,626.22x = 76,210,128.77
  5. Step 5: Solve for x
    x = 76,210,128.77/10,626.22
  6. Step 6: Final answer
    x = 7,171.89

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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.