Home / 13,126.94-19,690.49-3,266.22

Finding the Fourth Proportional to 13,126.94, 19,690.49 and 3,266.22

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Solution

The fourth proportional to 13,126.94, 19,690.49 and 3,266.22 is: 4,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.94 : 19,690.49 = 3,266.22 : x
  2. Step 2: Convert to fraction form
    13,126.94/19,690.49 = 3,266.22/x
  3. Step 3: Cross multiply
    13,126.94x = 19,690.49 × 3,266.22
  4. Step 4: Simplify right side
    13,126.94x = 64,313,472.25
  5. Step 5: Solve for x
    x = 64,313,472.25/13,126.94
  6. Step 6: Final answer
    x = 4,899.35

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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.