Home / 12,154.29-18,204.99-5,901.15

Finding the Fourth Proportional to 12,154.29, 18,204.99 and 5,901.15

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Solution

The fourth proportional to 12,154.29, 18,204.99 and 5,901.15 is: 8,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.29 : 18,204.99 = 5,901.15 : x
  2. Step 2: Convert to fraction form
    12,154.29/18,204.99 = 5,901.15/x
  3. Step 3: Cross multiply
    12,154.29x = 18,204.99 × 5,901.15
  4. Step 4: Simplify right side
    12,154.29x = 107,430,422.88
  5. Step 5: Solve for x
    x = 107,430,422.88/12,154.29
  6. Step 6: Final answer
    x = 8,838.89

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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.