Home / 18,654.19-25,742.81-10,270.69

Finding the Fourth Proportional to 18,654.19, 25,742.81 and 10,270.69

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Solution

The fourth proportional to 18,654.19, 25,742.81 and 10,270.69 is: 14,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.19 : 25,742.81 = 10,270.69 : x
  2. Step 2: Convert to fraction form
    18,654.19/25,742.81 = 10,270.69/x
  3. Step 3: Cross multiply
    18,654.19x = 25,742.81 × 10,270.69
  4. Step 4: Simplify right side
    18,654.19x = 264,396,369.89
  5. Step 5: Solve for x
    x = 264,396,369.89/18,654.19
  6. Step 6: Final answer
    x = 14,173.56

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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.