Home / 11,858.29-16,364.79-6,553.45

Finding the Fourth Proportional to 11,858.29, 16,364.79 and 6,553.45

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Solution

The fourth proportional to 11,858.29, 16,364.79 and 6,553.45 is: 9,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.29 : 16,364.79 = 6,553.45 : x
  2. Step 2: Convert to fraction form
    11,858.29/16,364.79 = 6,553.45/x
  3. Step 3: Cross multiply
    11,858.29x = 16,364.79 × 6,553.45
  4. Step 4: Simplify right side
    11,858.29x = 107,245,833.03
  5. Step 5: Solve for x
    x = 107,245,833.03/11,858.29
  6. Step 6: Final answer
    x = 9,043.95

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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.