Home / 13,175.57-19,763.25-5,378.91

Finding the Fourth Proportional to 13,175.57, 19,763.25 and 5,378.91

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Solution

The fourth proportional to 13,175.57, 19,763.25 and 5,378.91 is: 8,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.57 : 19,763.25 = 5,378.91 : x
  2. Step 2: Convert to fraction form
    13,175.57/19,763.25 = 5,378.91/x
  3. Step 3: Cross multiply
    13,175.57x = 19,763.25 × 5,378.91
  4. Step 4: Simplify right side
    13,175.57x = 106,304,743.06
  5. Step 5: Solve for x
    x = 106,304,743.06/13,175.57
  6. Step 6: Final answer
    x = 8,068.33

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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.