Home / 10,617.96-15,926.84-2,826.78

Finding the Fourth Proportional to 10,617.96, 15,926.84 and 2,826.78

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Solution

The fourth proportional to 10,617.96, 15,926.84 and 2,826.78 is: 4,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.96 : 15,926.84 = 2,826.78 : x
  2. Step 2: Convert to fraction form
    10,617.96/15,926.84 = 2,826.78/x
  3. Step 3: Cross multiply
    10,617.96x = 15,926.84 × 2,826.78
  4. Step 4: Simplify right side
    10,617.96x = 45,021,625.42
  5. Step 5: Solve for x
    x = 45,021,625.42/10,617.96
  6. Step 6: Final answer
    x = 4,240.14

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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.