Home / 30,898.72-46,351.69-11,186.56

Finding the Fourth Proportional to 30,898.72, 46,351.69 and 11,186.56

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Solution

The fourth proportional to 30,898.72, 46,351.69 and 11,186.56 is: 16,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898.72 : 46,351.69 = 11,186.56 : x
  2. Step 2: Convert to fraction form
    30,898.72/46,351.69 = 11,186.56/x
  3. Step 3: Cross multiply
    30,898.72x = 46,351.69 × 11,186.56
  4. Step 4: Simplify right side
    30,898.72x = 518,515,961.29
  5. Step 5: Solve for x
    x = 518,515,961.29/30,898.72
  6. Step 6: Final answer
    x = 16,781.15

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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.