Home / 19,909.98-27,475.07-10,956.65

Finding the Fourth Proportional to 19,909.98, 27,475.07 and 10,956.65

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Solution

The fourth proportional to 19,909.98, 27,475.07 and 10,956.65 is: 15,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.98 : 27,475.07 = 10,956.65 : x
  2. Step 2: Convert to fraction form
    19,909.98/27,475.07 = 10,956.65/x
  3. Step 3: Cross multiply
    19,909.98x = 27,475.07 × 10,956.65
  4. Step 4: Simplify right side
    19,909.98x = 301,034,533.56
  5. Step 5: Solve for x
    x = 301,034,533.56/19,909.98
  6. Step 6: Final answer
    x = 15,119.78

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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.