Home / 10,371.54-15,560.40-4,828.16

Finding the Fourth Proportional to 10,371.54, 15,560.40 and 4,828.16

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Solution

The fourth proportional to 10,371.54, 15,560.40 and 4,828.16 is: 7,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.54 : 15,560.40 = 4,828.16 : x
  2. Step 2: Convert to fraction form
    10,371.54/15,560.40 = 4,828.16/x
  3. Step 3: Cross multiply
    10,371.54x = 15,560.40 × 4,828.16
  4. Step 4: Simplify right side
    10,371.54x = 75,128,100.86
  5. Step 5: Solve for x
    x = 75,128,100.86/10,371.54
  6. Step 6: Final answer
    x = 7,243.68

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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.