Home / 10,956.72-15,120.24-6,241.02

Finding the Fourth Proportional to 10,956.72, 15,120.24 and 6,241.02

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Solution

The fourth proportional to 10,956.72, 15,120.24 and 6,241.02 is: 8,612.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.72 : 15,120.24 = 6,241.02 : x
  2. Step 2: Convert to fraction form
    10,956.72/15,120.24 = 6,241.02/x
  3. Step 3: Cross multiply
    10,956.72x = 15,120.24 × 6,241.02
  4. Step 4: Simplify right side
    10,956.72x = 94,365,720.24
  5. Step 5: Solve for x
    x = 94,365,720.24/10,956.72
  6. Step 6: Final answer
    x = 8,612.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.