Home / 13,517.05-18,636.65-10,334.29

Finding the Fourth Proportional to 13,517.05, 18,636.65 and 10,334.29

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Solution

The fourth proportional to 13,517.05, 18,636.65 and 10,334.29 is: 14,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.05 : 18,636.65 = 10,334.29 : x
  2. Step 2: Convert to fraction form
    13,517.05/18,636.65 = 10,334.29/x
  3. Step 3: Cross multiply
    13,517.05x = 18,636.65 × 10,334.29
  4. Step 4: Simplify right side
    13,517.05x = 192,596,545.73
  5. Step 5: Solve for x
    x = 192,596,545.73/13,517.05
  6. Step 6: Final answer
    x = 14,248.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.