Home / 10,256.12-15,383.52-2,861.62

Finding the Fourth Proportional to 10,256.12, 15,383.52 and 2,861.62

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Solution

The fourth proportional to 10,256.12, 15,383.52 and 2,861.62 is: 4,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.12 : 15,383.52 = 2,861.62 : x
  2. Step 2: Convert to fraction form
    10,256.12/15,383.52 = 2,861.62/x
  3. Step 3: Cross multiply
    10,256.12x = 15,383.52 × 2,861.62
  4. Step 4: Simplify right side
    10,256.12x = 44,021,788.50
  5. Step 5: Solve for x
    x = 44,021,788.50/10,256.12
  6. Step 6: Final answer
    x = 4,292.25

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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.