Home / 11,925.26-16,456.74-6,619.94

Finding the Fourth Proportional to 11,925.26, 16,456.74 and 6,619.94

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Solution

The fourth proportional to 11,925.26, 16,456.74 and 6,619.94 is: 9,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.26 : 16,456.74 = 6,619.94 : x
  2. Step 2: Convert to fraction form
    11,925.26/16,456.74 = 6,619.94/x
  3. Step 3: Cross multiply
    11,925.26x = 16,456.74 × 6,619.94
  4. Step 4: Simplify right side
    11,925.26x = 108,942,631.40
  5. Step 5: Solve for x
    x = 108,942,631.40/11,925.26
  6. Step 6: Final answer
    x = 9,135.45

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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.