Home / 13,972.08-19,284.72-8,007.12

Finding the Fourth Proportional to 13,972.08, 19,284.72 and 8,007.12

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Solution

The fourth proportional to 13,972.08, 19,284.72 and 8,007.12 is: 11,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.08 : 19,284.72 = 8,007.12 : x
  2. Step 2: Convert to fraction form
    13,972.08/19,284.72 = 8,007.12/x
  3. Step 3: Cross multiply
    13,972.08x = 19,284.72 × 8,007.12
  4. Step 4: Simplify right side
    13,972.08x = 154,415,067.21
  5. Step 5: Solve for x
    x = 154,415,067.21/13,972.08
  6. Step 6: Final answer
    x = 11,051.69

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Similar ratio
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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.