Home / 10,435.56-15,640.38-4,881.66

Finding the Fourth Proportional to 10,435.56, 15,640.38 and 4,881.66

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Solution

The fourth proportional to 10,435.56, 15,640.38 and 4,881.66 is: 7,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.56 : 15,640.38 = 4,881.66 : x
  2. Step 2: Convert to fraction form
    10,435.56/15,640.38 = 4,881.66/x
  3. Step 3: Cross multiply
    10,435.56x = 15,640.38 × 4,881.66
  4. Step 4: Simplify right side
    10,435.56x = 76,351,017.43
  5. Step 5: Solve for x
    x = 76,351,017.43/10,435.56
  6. Step 6: Final answer
    x = 7,316.43

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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.