Home / 10,257.55-15,386.44-2,861.56

Finding the Fourth Proportional to 10,257.55, 15,386.44 and 2,861.56

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Solution

The fourth proportional to 10,257.55, 15,386.44 and 2,861.56 is: 4,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.55 : 15,386.44 = 2,861.56 : x
  2. Step 2: Convert to fraction form
    10,257.55/15,386.44 = 2,861.56/x
  3. Step 3: Cross multiply
    10,257.55x = 15,386.44 × 2,861.56
  4. Step 4: Simplify right side
    10,257.55x = 44,029,144.31
  5. Step 5: Solve for x
    x = 44,029,144.31/10,257.55
  6. Step 6: Final answer
    x = 4,292.37

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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.