Home / 13,254.61-19,871.49-4,930.09

Finding the Fourth Proportional to 13,254.61, 19,871.49 and 4,930.09

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Solution

The fourth proportional to 13,254.61, 19,871.49 and 4,930.09 is: 7,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.61 : 19,871.49 = 4,930.09 : x
  2. Step 2: Convert to fraction form
    13,254.61/19,871.49 = 4,930.09/x
  3. Step 3: Cross multiply
    13,254.61x = 19,871.49 × 4,930.09
  4. Step 4: Simplify right side
    13,254.61x = 97,968,234.13
  5. Step 5: Solve for x
    x = 97,968,234.13/13,254.61
  6. Step 6: Final answer
    x = 7,391.26

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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.