Home / 20,165.04-27,826.47-11,212.23

Finding the Fourth Proportional to 20,165.04, 27,826.47 and 11,212.23

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Solution

The fourth proportional to 20,165.04, 27,826.47 and 11,212.23 is: 15,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.04 : 27,826.47 = 11,212.23 : x
  2. Step 2: Convert to fraction form
    20,165.04/27,826.47 = 11,212.23/x
  3. Step 3: Cross multiply
    20,165.04x = 27,826.47 × 11,212.23
  4. Step 4: Simplify right side
    20,165.04x = 311,996,781.73
  5. Step 5: Solve for x
    x = 311,996,781.73/20,165.04
  6. Step 6: Final answer
    x = 15,472.16

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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.