Home / 10,248.48-15,365.43-4,905.54

Finding the Fourth Proportional to 10,248.48, 15,365.43 and 4,905.54

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Solution

The fourth proportional to 10,248.48, 15,365.43 and 4,905.54 is: 7,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.48 : 15,365.43 = 4,905.54 : x
  2. Step 2: Convert to fraction form
    10,248.48/15,365.43 = 4,905.54/x
  3. Step 3: Cross multiply
    10,248.48x = 15,365.43 × 4,905.54
  4. Step 4: Simplify right side
    10,248.48x = 75,375,731.48
  5. Step 5: Solve for x
    x = 75,375,731.48/10,248.48
  6. Step 6: Final answer
    x = 7,354.82

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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.