Home / 20,215.64-27,897.01-11,262.60

Finding the Fourth Proportional to 20,215.64, 27,897.01 and 11,262.60

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Solution

The fourth proportional to 20,215.64, 27,897.01 and 11,262.60 is: 15,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215.64 : 27,897.01 = 11,262.60 : x
  2. Step 2: Convert to fraction form
    20,215.64/27,897.01 = 11,262.60/x
  3. Step 3: Cross multiply
    20,215.64x = 27,897.01 × 11,262.60
  4. Step 4: Simplify right side
    20,215.64x = 314,192,836.67
  5. Step 5: Solve for x
    x = 314,192,836.67/20,215.64
  6. Step 6: Final answer
    x = 15,542.07

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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.