Home / 13,693.96-18,910.14-10,331.02

Finding the Fourth Proportional to 13,693.96, 18,910.14 and 10,331.02

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Solution

The fourth proportional to 13,693.96, 18,910.14 and 10,331.02 is: 14,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.96 : 18,910.14 = 10,331.02 : x
  2. Step 2: Convert to fraction form
    13,693.96/18,910.14 = 10,331.02/x
  3. Step 3: Cross multiply
    13,693.96x = 18,910.14 × 10,331.02
  4. Step 4: Simplify right side
    13,693.96x = 195,361,034.54
  5. Step 5: Solve for x
    x = 195,361,034.54/13,693.96
  6. Step 6: Final answer
    x = 14,266.22

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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.