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Finding the Fourth Proportional to 10,404.03, 15,606.15 and 2,612.85

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Solution

The fourth proportional to 10,404.03, 15,606.15 and 2,612.85 is: 3,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.03 : 15,606.15 = 2,612.85 : x
  2. Step 2: Convert to fraction form
    10,404.03/15,606.15 = 2,612.85/x
  3. Step 3: Cross multiply
    10,404.03x = 15,606.15 × 2,612.85
  4. Step 4: Simplify right side
    10,404.03x = 40,776,529.03
  5. Step 5: Solve for x
    x = 40,776,529.03/10,404.03
  6. Step 6: Final answer
    x = 3,919.30

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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.