Home / 18,397.47-27,604.68-14,231.22

Finding the Fourth Proportional to 18,397.47, 27,604.68 and 14,231.22

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Solution

The fourth proportional to 18,397.47, 27,604.68 and 14,231.22 is: 21,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.47 : 27,604.68 = 14,231.22 : x
  2. Step 2: Convert to fraction form
    18,397.47/27,604.68 = 14,231.22/x
  3. Step 3: Cross multiply
    18,397.47x = 27,604.68 × 14,231.22
  4. Step 4: Simplify right side
    18,397.47x = 392,848,274.11
  5. Step 5: Solve for x
    x = 392,848,274.11/18,397.47
  6. Step 6: Final answer
    x = 21,353.39

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1.5x scale

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.