Home / 10,206.32-15,309.32-5,586.80

Finding the Fourth Proportional to 10,206.32, 15,309.32 and 5,586.80

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Solution

The fourth proportional to 10,206.32, 15,309.32 and 5,586.80 is: 8,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.32 : 15,309.32 = 5,586.80 : x
  2. Step 2: Convert to fraction form
    10,206.32/15,309.32 = 5,586.80/x
  3. Step 3: Cross multiply
    10,206.32x = 15,309.32 × 5,586.80
  4. Step 4: Simplify right side
    10,206.32x = 85,530,108.98
  5. Step 5: Solve for x
    x = 85,530,108.98/10,206.32
  6. Step 6: Final answer
    x = 8,380.11

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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.