Home / 13,312.62-19,967.36-3,451.14

Finding the Fourth Proportional to 13,312.62, 19,967.36 and 3,451.14

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Solution

The fourth proportional to 13,312.62, 19,967.36 and 3,451.14 is: 5,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.62 : 19,967.36 = 3,451.14 : x
  2. Step 2: Convert to fraction form
    13,312.62/19,967.36 = 3,451.14/x
  3. Step 3: Cross multiply
    13,312.62x = 19,967.36 × 3,451.14
  4. Step 4: Simplify right side
    13,312.62x = 68,910,137.53
  5. Step 5: Solve for x
    x = 68,910,137.53/13,312.62
  6. Step 6: Final answer
    x = 5,176.30

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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.