Home / 20,173.04-27,836.66-11,219.10

Finding the Fourth Proportional to 20,173.04, 27,836.66 and 11,219.10

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Solution

The fourth proportional to 20,173.04, 27,836.66 and 11,219.10 is: 15,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.04 : 27,836.66 = 11,219.10 : x
  2. Step 2: Convert to fraction form
    20,173.04/27,836.66 = 11,219.10/x
  3. Step 3: Cross multiply
    20,173.04x = 27,836.66 × 11,219.10
  4. Step 4: Simplify right side
    20,173.04x = 312,302,216.11
  5. Step 5: Solve for x
    x = 312,302,216.11/20,173.04
  6. Step 6: Final answer
    x = 15,481.17

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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.