Home / 20,007.88-27,610.02-11,509.36

Finding the Fourth Proportional to 20,007.88, 27,610.02 and 11,509.36

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Solution

The fourth proportional to 20,007.88, 27,610.02 and 11,509.36 is: 15,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.88 : 27,610.02 = 11,509.36 : x
  2. Step 2: Convert to fraction form
    20,007.88/27,610.02 = 11,509.36/x
  3. Step 3: Cross multiply
    20,007.88x = 27,610.02 × 11,509.36
  4. Step 4: Simplify right side
    20,007.88x = 317,773,659.79
  5. Step 5: Solve for x
    x = 317,773,659.79/20,007.88
  6. Step 6: Final answer
    x = 15,882.43

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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.