Home / 15,513.66-23,270.16-3,826.98

Finding the Fourth Proportional to 15,513.66, 23,270.16 and 3,826.98

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Solution

The fourth proportional to 15,513.66, 23,270.16 and 3,826.98 is: 5,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.66 : 23,270.16 = 3,826.98 : x
  2. Step 2: Convert to fraction form
    15,513.66/23,270.16 = 3,826.98/x
  3. Step 3: Cross multiply
    15,513.66x = 23,270.16 × 3,826.98
  4. Step 4: Simplify right side
    15,513.66x = 89,054,436.92
  5. Step 5: Solve for x
    x = 89,054,436.92/15,513.66
  6. Step 6: Final answer
    x = 5,740.39

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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.