Home / 12,764.70-19,154.25-5,376.06

Finding the Fourth Proportional to 12,764.70, 19,154.25 and 5,376.06

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Solution

The fourth proportional to 12,764.70, 19,154.25 and 5,376.06 is: 8,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.70 : 19,154.25 = 5,376.06 : x
  2. Step 2: Convert to fraction form
    12,764.70/19,154.25 = 5,376.06/x
  3. Step 3: Cross multiply
    12,764.70x = 19,154.25 × 5,376.06
  4. Step 4: Simplify right side
    12,764.70x = 102,974,397.26
  5. Step 5: Solve for x
    x = 102,974,397.26/12,764.70
  6. Step 6: Final answer
    x = 8,067.12

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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.