Home / 10,175.15-15,262.88-3,155.09

Finding the Fourth Proportional to 10,175.15, 15,262.88 and 3,155.09

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Solution

The fourth proportional to 10,175.15, 15,262.88 and 3,155.09 is: 4,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.15 : 15,262.88 = 3,155.09 : x
  2. Step 2: Convert to fraction form
    10,175.15/15,262.88 = 3,155.09/x
  3. Step 3: Cross multiply
    10,175.15x = 15,262.88 × 3,155.09
  4. Step 4: Simplify right side
    10,175.15x = 48,155,667.97
  5. Step 5: Solve for x
    x = 48,155,667.97/10,175.15
  6. Step 6: Final answer
    x = 4,732.67

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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.