Home / 20,219.42-27,902.42-11,266.73

Finding the Fourth Proportional to 20,219.42, 27,902.42 and 11,266.73

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Solution

The fourth proportional to 20,219.42, 27,902.42 and 11,266.73 is: 15,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.42 : 27,902.42 = 11,266.73 : x
  2. Step 2: Convert to fraction form
    20,219.42/27,902.42 = 11,266.73/x
  3. Step 3: Cross multiply
    20,219.42x = 27,902.42 × 11,266.73
  4. Step 4: Simplify right side
    20,219.42x = 314,369,032.49
  5. Step 5: Solve for x
    x = 314,369,032.49/20,219.42
  6. Step 6: Final answer
    x = 15,547.88

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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.