Home / 10,961.92-15,125.72-6,244.48

Finding the Fourth Proportional to 10,961.92, 15,125.72 and 6,244.48

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Solution

The fourth proportional to 10,961.92, 15,125.72 and 6,244.48 is: 8,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.92 : 15,125.72 = 6,244.48 : x
  2. Step 2: Convert to fraction form
    10,961.92/15,125.72 = 6,244.48/x
  3. Step 3: Cross multiply
    10,961.92x = 15,125.72 × 6,244.48
  4. Step 4: Simplify right side
    10,961.92x = 94,452,256.03
  5. Step 5: Solve for x
    x = 94,452,256.03/10,961.92
  6. Step 6: Final answer
    x = 8,616.40

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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.