Home / 14,284.68-19,712.90-7,997.16

Finding the Fourth Proportional to 14,284.68, 19,712.90 and 7,997.16

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Solution

The fourth proportional to 14,284.68, 19,712.90 and 7,997.16 is: 11,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.68 : 19,712.90 = 7,997.16 : x
  2. Step 2: Convert to fraction form
    14,284.68/19,712.90 = 7,997.16/x
  3. Step 3: Cross multiply
    14,284.68x = 19,712.90 × 7,997.16
  4. Step 4: Simplify right side
    14,284.68x = 157,647,215.36
  5. Step 5: Solve for x
    x = 157,647,215.36/14,284.68
  6. Step 6: Final answer
    x = 11,036.10

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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.