Home / 18,172.81-25,078.37-10,214.97

Finding the Fourth Proportional to 18,172.81, 25,078.37 and 10,214.97

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Solution

The fourth proportional to 18,172.81, 25,078.37 and 10,214.97 is: 14,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.81 : 25,078.37 = 10,214.97 : x
  2. Step 2: Convert to fraction form
    18,172.81/25,078.37 = 10,214.97/x
  3. Step 3: Cross multiply
    18,172.81x = 25,078.37 × 10,214.97
  4. Step 4: Simplify right side
    18,172.81x = 256,174,797.20
  5. Step 5: Solve for x
    x = 256,174,797.20/18,172.81
  6. Step 6: Final answer
    x = 14,096.60

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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.