Home / 10,102.60-15,147.37-4,257.64

Finding the Fourth Proportional to 10,102.60, 15,147.37 and 4,257.64

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Solution

The fourth proportional to 10,102.60, 15,147.37 and 4,257.64 is: 6,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.60 : 15,147.37 = 4,257.64 : x
  2. Step 2: Convert to fraction form
    10,102.60/15,147.37 = 4,257.64/x
  3. Step 3: Cross multiply
    10,102.60x = 15,147.37 × 4,257.64
  4. Step 4: Simplify right side
    10,102.60x = 64,492,048.41
  5. Step 5: Solve for x
    x = 64,492,048.41/10,102.60
  6. Step 6: Final answer
    x = 6,383.71

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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.