Home / 13,304.35-18,362.19-8,002.09

Finding the Fourth Proportional to 13,304.35, 18,362.19 and 8,002.09

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Solution

The fourth proportional to 13,304.35, 18,362.19 and 8,002.09 is: 11,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.35 : 18,362.19 = 8,002.09 : x
  2. Step 2: Convert to fraction form
    13,304.35/18,362.19 = 8,002.09/x
  3. Step 3: Cross multiply
    13,304.35x = 18,362.19 × 8,002.09
  4. Step 4: Simplify right side
    13,304.35x = 146,935,896.98
  5. Step 5: Solve for x
    x = 146,935,896.98/13,304.35
  6. Step 6: Final answer
    x = 11,044.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.