Home / 19,997.40-27,596.18-10,922.72

Finding the Fourth Proportional to 19,997.40, 27,596.18 and 10,922.72

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Solution

The fourth proportional to 19,997.40, 27,596.18 and 10,922.72 is: 15,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.40 : 27,596.18 = 10,922.72 : x
  2. Step 2: Convert to fraction form
    19,997.40/27,596.18 = 10,922.72/x
  3. Step 3: Cross multiply
    19,997.40x = 27,596.18 × 10,922.72
  4. Step 4: Simplify right side
    19,997.40x = 301,425,347.21
  5. Step 5: Solve for x
    x = 301,425,347.21/19,997.40
  6. Step 6: Final answer
    x = 15,073.23

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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.