Home / 19,644.36-27,109.20-10,691.85

Finding the Fourth Proportional to 19,644.36, 27,109.20 and 10,691.85

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Solution

The fourth proportional to 19,644.36, 27,109.20 and 10,691.85 is: 14,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.36 : 27,109.20 = 10,691.85 : x
  2. Step 2: Convert to fraction form
    19,644.36/27,109.20 = 10,691.85/x
  3. Step 3: Cross multiply
    19,644.36x = 27,109.20 × 10,691.85
  4. Step 4: Simplify right side
    19,644.36x = 289,847,500.02
  5. Step 5: Solve for x
    x = 289,847,500.02/19,644.36
  6. Step 6: Final answer
    x = 14,754.74

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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.