Home / 20,266.73-27,967.62-11,315.06

Finding the Fourth Proportional to 20,266.73, 27,967.62 and 11,315.06

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Solution

The fourth proportional to 20,266.73, 27,967.62 and 11,315.06 is: 15,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.73 : 27,967.62 = 11,315.06 : x
  2. Step 2: Convert to fraction form
    20,266.73/27,967.62 = 11,315.06/x
  3. Step 3: Cross multiply
    20,266.73x = 27,967.62 × 11,315.06
  4. Step 4: Simplify right side
    20,266.73x = 316,455,399.50
  5. Step 5: Solve for x
    x = 316,455,399.50/20,266.73
  6. Step 6: Final answer
    x = 15,614.53

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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.