Home / 19,760.72-27,267.10-11,801.25

Finding the Fourth Proportional to 19,760.72, 27,267.10 and 11,801.25

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Solution

The fourth proportional to 19,760.72, 27,267.10 and 11,801.25 is: 16,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.72 : 27,267.10 = 11,801.25 : x
  2. Step 2: Convert to fraction form
    19,760.72/27,267.10 = 11,801.25/x
  3. Step 3: Cross multiply
    19,760.72x = 27,267.10 × 11,801.25
  4. Step 4: Simplify right side
    19,760.72x = 321,785,834.37
  5. Step 5: Solve for x
    x = 321,785,834.37/19,760.72
  6. Step 6: Final answer
    x = 16,284.12

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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.