Home / 13,083.60-19,618.68-3,848.40

Finding the Fourth Proportional to 13,083.60, 19,618.68 and 3,848.40

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Solution

The fourth proportional to 13,083.60, 19,618.68 and 3,848.40 is: 5,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.60 : 19,618.68 = 3,848.40 : x
  2. Step 2: Convert to fraction form
    13,083.60/19,618.68 = 3,848.40/x
  3. Step 3: Cross multiply
    13,083.60x = 19,618.68 × 3,848.40
  4. Step 4: Simplify right side
    13,083.60x = 75,500,528.11
  5. Step 5: Solve for x
    x = 75,500,528.11/13,083.60
  6. Step 6: Final answer
    x = 5,770.62

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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.