Home / 19,675.38-27,151.24-10,722.69

Finding the Fourth Proportional to 19,675.38, 27,151.24 and 10,722.69

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Solution

The fourth proportional to 19,675.38, 27,151.24 and 10,722.69 is: 14,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.38 : 27,151.24 = 10,722.69 : x
  2. Step 2: Convert to fraction form
    19,675.38/27,151.24 = 10,722.69/x
  3. Step 3: Cross multiply
    19,675.38x = 27,151.24 × 10,722.69
  4. Step 4: Simplify right side
    19,675.38x = 291,134,302.83
  5. Step 5: Solve for x
    x = 291,134,302.83/19,675.38
  6. Step 6: Final answer
    x = 14,796.88

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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.