Home / 13,615.29-20,424.19-5,295.94

Finding the Fourth Proportional to 13,615.29, 20,424.19 and 5,295.94

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Solution

The fourth proportional to 13,615.29, 20,424.19 and 5,295.94 is: 7,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615.29 : 20,424.19 = 5,295.94 : x
  2. Step 2: Convert to fraction form
    13,615.29/20,424.19 = 5,295.94/x
  3. Step 3: Cross multiply
    13,615.29x = 20,424.19 × 5,295.94
  4. Step 4: Simplify right side
    13,615.29x = 108,165,182.67
  5. Step 5: Solve for x
    x = 108,165,182.67/13,615.29
  6. Step 6: Final answer
    x = 7,944.39

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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.