Home / 13,126.74-19,687.23-3,764.22

Finding the Fourth Proportional to 13,126.74, 19,687.23 and 3,764.22

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Solution

The fourth proportional to 13,126.74, 19,687.23 and 3,764.22 is: 5,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.74 : 19,687.23 = 3,764.22 : x
  2. Step 2: Convert to fraction form
    13,126.74/19,687.23 = 3,764.22/x
  3. Step 3: Cross multiply
    13,126.74x = 19,687.23 × 3,764.22
  4. Step 4: Simplify right side
    13,126.74x = 74,107,064.91
  5. Step 5: Solve for x
    x = 74,107,064.91/13,126.74
  6. Step 6: Final answer
    x = 5,645.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.