Home / 18,020.34-27,011.96-6,924.02

Finding the Fourth Proportional to 18,020.34, 27,011.96 and 6,924.02

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Solution

The fourth proportional to 18,020.34, 27,011.96 and 6,924.02 is: 10,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.34 : 27,011.96 = 6,924.02 : x
  2. Step 2: Convert to fraction form
    18,020.34/27,011.96 = 6,924.02/x
  3. Step 3: Cross multiply
    18,020.34x = 27,011.96 × 6,924.02
  4. Step 4: Simplify right side
    18,020.34x = 187,031,351.28
  5. Step 5: Solve for x
    x = 187,031,351.28/18,020.34
  6. Step 6: Final answer
    x = 10,378.90

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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.