Home / 11,613.67-17,420.83-2,848.57

Finding the Fourth Proportional to 11,613.67, 17,420.83 and 2,848.57

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Solution

The fourth proportional to 11,613.67, 17,420.83 and 2,848.57 is: 4,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.67 : 17,420.83 = 2,848.57 : x
  2. Step 2: Convert to fraction form
    11,613.67/17,420.83 = 2,848.57/x
  3. Step 3: Cross multiply
    11,613.67x = 17,420.83 × 2,848.57
  4. Step 4: Simplify right side
    11,613.67x = 49,624,453.71
  5. Step 5: Solve for x
    x = 49,624,453.71/11,613.67
  6. Step 6: Final answer
    x = 4,272.93

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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.