Home / 20,179.42-27,844.95-11,225.14

Finding the Fourth Proportional to 20,179.42, 27,844.95 and 11,225.14

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Solution

The fourth proportional to 20,179.42, 27,844.95 and 11,225.14 is: 15,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.42 : 27,844.95 = 11,225.14 : x
  2. Step 2: Convert to fraction form
    20,179.42/27,844.95 = 11,225.14/x
  3. Step 3: Cross multiply
    20,179.42x = 27,844.95 × 11,225.14
  4. Step 4: Simplify right side
    20,179.42x = 312,563,462.04
  5. Step 5: Solve for x
    x = 312,563,462.04/20,179.42
  6. Step 6: Final answer
    x = 15,489.22

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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.