Home / 10,170.56-15,257.40-4,325.60

Finding the Fourth Proportional to 10,170.56, 15,257.40 and 4,325.60

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Solution

The fourth proportional to 10,170.56, 15,257.40 and 4,325.60 is: 6,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.56 : 15,257.40 = 4,325.60 : x
  2. Step 2: Convert to fraction form
    10,170.56/15,257.40 = 4,325.60/x
  3. Step 3: Cross multiply
    10,170.56x = 15,257.40 × 4,325.60
  4. Step 4: Simplify right side
    10,170.56x = 65,997,409.44
  5. Step 5: Solve for x
    x = 65,997,409.44/10,170.56
  6. Step 6: Final answer
    x = 6,489.06

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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.