Home / 13,008.62-19,512.90-5,211.96

Finding the Fourth Proportional to 13,008.62, 19,512.90 and 5,211.96

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Solution

The fourth proportional to 13,008.62, 19,512.90 and 5,211.96 is: 7,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.62 : 19,512.90 = 5,211.96 : x
  2. Step 2: Convert to fraction form
    13,008.62/19,512.90 = 5,211.96/x
  3. Step 3: Cross multiply
    13,008.62x = 19,512.90 × 5,211.96
  4. Step 4: Simplify right side
    13,008.62x = 101,700,454.28
  5. Step 5: Solve for x
    x = 101,700,454.28/13,008.62
  6. Step 6: Final answer
    x = 7,817.93

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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.