Home / 19,088.39-28,643.74-7,994.14

Finding the Fourth Proportional to 19,088.39, 28,643.74 and 7,994.14

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Solution

The fourth proportional to 19,088.39, 28,643.74 and 7,994.14 is: 11,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.39 : 28,643.74 = 7,994.14 : x
  2. Step 2: Convert to fraction form
    19,088.39/28,643.74 = 7,994.14/x
  3. Step 3: Cross multiply
    19,088.39x = 28,643.74 × 7,994.14
  4. Step 4: Simplify right side
    19,088.39x = 228,981,976.09
  5. Step 5: Solve for x
    x = 228,981,976.09/19,088.39
  6. Step 6: Final answer
    x = 11,995.88

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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.