Home / 18,178.64-27,219.33-10,676.02

Finding the Fourth Proportional to 18,178.64, 27,219.33 and 10,676.02

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Solution

The fourth proportional to 18,178.64, 27,219.33 and 10,676.02 is: 15,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.64 : 27,219.33 = 10,676.02 : x
  2. Step 2: Convert to fraction form
    18,178.64/27,219.33 = 10,676.02/x
  3. Step 3: Cross multiply
    18,178.64x = 27,219.33 × 10,676.02
  4. Step 4: Simplify right side
    18,178.64x = 290,594,111.47
  5. Step 5: Solve for x
    x = 290,594,111.47/18,178.64
  6. Step 6: Final answer
    x = 15,985.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.