Home / 13,609.31-20,394.82-10,823.62

Finding the Fourth Proportional to 13,609.31, 20,394.82 and 10,823.62

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Solution

The fourth proportional to 13,609.31, 20,394.82 and 10,823.62 is: 16,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609.31 : 20,394.82 = 10,823.62 : x
  2. Step 2: Convert to fraction form
    13,609.31/20,394.82 = 10,823.62/x
  3. Step 3: Cross multiply
    13,609.31x = 20,394.82 × 10,823.62
  4. Step 4: Simplify right side
    13,609.31x = 220,745,645.07
  5. Step 5: Solve for x
    x = 220,745,645.07/13,609.31
  6. Step 6: Final answer
    x = 16,220.20

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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.