Home / 11,494.80-15,864.35-6,459.27

Finding the Fourth Proportional to 11,494.80, 15,864.35 and 6,459.27

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Solution

The fourth proportional to 11,494.80, 15,864.35 and 6,459.27 is: 8,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,494.80 : 15,864.35 = 6,459.27 : x
  2. Step 2: Convert to fraction form
    11,494.80/15,864.35 = 6,459.27/x
  3. Step 3: Cross multiply
    11,494.80x = 15,864.35 × 6,459.27
  4. Step 4: Simplify right side
    11,494.80x = 102,472,087.73
  5. Step 5: Solve for x
    x = 102,472,087.73/11,494.80
  6. Step 6: Final answer
    x = 8,914.65

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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.