Home / 12,134.07-16,747.16-11,580.03

Finding the Fourth Proportional to 12,134.07, 16,747.16 and 11,580.03

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Solution

The fourth proportional to 12,134.07, 16,747.16 and 11,580.03 is: 15,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.07 : 16,747.16 = 11,580.03 : x
  2. Step 2: Convert to fraction form
    12,134.07/16,747.16 = 11,580.03/x
  3. Step 3: Cross multiply
    12,134.07x = 16,747.16 × 11,580.03
  4. Step 4: Simplify right side
    12,134.07x = 193,932,557.31
  5. Step 5: Solve for x
    x = 193,932,557.31/12,134.07
  6. Step 6: Final answer
    x = 15,982.48

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1.5x scale

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.