Home / 11,613.79-17,420.65-2,848.62

Finding the Fourth Proportional to 11,613.79, 17,420.65 and 2,848.62

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Solution

The fourth proportional to 11,613.79, 17,420.65 and 2,848.62 is: 4,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.79 : 17,420.65 = 2,848.62 : x
  2. Step 2: Convert to fraction form
    11,613.79/17,420.65 = 2,848.62/x
  3. Step 3: Cross multiply
    11,613.79x = 17,420.65 × 2,848.62
  4. Step 4: Simplify right side
    11,613.79x = 49,624,812.00
  5. Step 5: Solve for x
    x = 49,624,812.00/11,613.79
  6. Step 6: Final answer
    x = 4,272.92

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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.