Home / 10,171.67-15,257.60-4,905.45

Finding the Fourth Proportional to 10,171.67, 15,257.60 and 4,905.45

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Solution

The fourth proportional to 10,171.67, 15,257.60 and 4,905.45 is: 7,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.67 : 15,257.60 = 4,905.45 : x
  2. Step 2: Convert to fraction form
    10,171.67/15,257.60 = 4,905.45/x
  3. Step 3: Cross multiply
    10,171.67x = 15,257.60 × 4,905.45
  4. Step 4: Simplify right side
    10,171.67x = 74,845,369.39
  5. Step 5: Solve for x
    x = 74,845,369.39/10,171.67
  6. Step 6: Final answer
    x = 7,358.22

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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.