Home / 18,974.01-26,182.99-11,422.79

Finding the Fourth Proportional to 18,974.01, 26,182.99 and 11,422.79

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Solution

The fourth proportional to 18,974.01, 26,182.99 and 11,422.79 is: 15,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.01 : 26,182.99 = 11,422.79 : x
  2. Step 2: Convert to fraction form
    18,974.01/26,182.99 = 11,422.79/x
  3. Step 3: Cross multiply
    18,974.01x = 26,182.99 × 11,422.79
  4. Step 4: Simplify right side
    18,974.01x = 299,082,796.34
  5. Step 5: Solve for x
    x = 299,082,796.34/18,974.01
  6. Step 6: Final answer
    x = 15,762.76

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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.