Home / 11,349.19-15,663.26-6,872.82

Finding the Fourth Proportional to 11,349.19, 15,663.26 and 6,872.82

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Solution

The fourth proportional to 11,349.19, 15,663.26 and 6,872.82 is: 9,485.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.19 : 15,663.26 = 6,872.82 : x
  2. Step 2: Convert to fraction form
    11,349.19/15,663.26 = 6,872.82/x
  3. Step 3: Cross multiply
    11,349.19x = 15,663.26 × 6,872.82
  4. Step 4: Simplify right side
    11,349.19x = 107,650,766.59
  5. Step 5: Solve for x
    x = 107,650,766.59/11,349.19
  6. Step 6: Final answer
    x = 9,485.33

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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.