Home / 18,836.64-25,995.24-10,339.02

Finding the Fourth Proportional to 18,836.64, 25,995.24 and 10,339.02

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Solution

The fourth proportional to 18,836.64, 25,995.24 and 10,339.02 is: 14,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.64 : 25,995.24 = 10,339.02 : x
  2. Step 2: Convert to fraction form
    18,836.64/25,995.24 = 10,339.02/x
  3. Step 3: Cross multiply
    18,836.64x = 25,995.24 × 10,339.02
  4. Step 4: Simplify right side
    18,836.64x = 268,765,306.26
  5. Step 5: Solve for x
    x = 268,765,306.26/18,836.64
  6. Step 6: Final answer
    x = 14,268.22

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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.