Home / 12,801.64-19,190.94-6,626.92

Finding the Fourth Proportional to 12,801.64, 19,190.94 and 6,626.92

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Solution

The fourth proportional to 12,801.64, 19,190.94 and 6,626.92 is: 9,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.64 : 19,190.94 = 6,626.92 : x
  2. Step 2: Convert to fraction form
    12,801.64/19,190.94 = 6,626.92/x
  3. Step 3: Cross multiply
    12,801.64x = 19,190.94 × 6,626.92
  4. Step 4: Simplify right side
    12,801.64x = 127,176,824.10
  5. Step 5: Solve for x
    x = 127,176,824.10/12,801.64
  6. Step 6: Final answer
    x = 9,934.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.