Home / 13,015.20-19,522.62-8,337.48

Finding the Fourth Proportional to 13,015.20, 19,522.62 and 8,337.48

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Solution

The fourth proportional to 13,015.20, 19,522.62 and 8,337.48 is: 12,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.20 : 19,522.62 = 8,337.48 : x
  2. Step 2: Convert to fraction form
    13,015.20/19,522.62 = 8,337.48/x
  3. Step 3: Cross multiply
    13,015.20x = 19,522.62 × 8,337.48
  4. Step 4: Simplify right side
    13,015.20x = 162,769,453.80
  5. Step 5: Solve for x
    x = 162,769,453.80/13,015.20
  6. Step 6: Final answer
    x = 12,506.10

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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.