Home / 19,088.19-28,643.49-7,994.03

Finding the Fourth Proportional to 19,088.19, 28,643.49 and 7,994.03

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Solution

The fourth proportional to 19,088.19, 28,643.49 and 7,994.03 is: 11,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.19 : 28,643.49 = 7,994.03 : x
  2. Step 2: Convert to fraction form
    19,088.19/28,643.49 = 7,994.03/x
  3. Step 3: Cross multiply
    19,088.19x = 28,643.49 × 7,994.03
  4. Step 4: Simplify right side
    19,088.19x = 228,976,775.15
  5. Step 5: Solve for x
    x = 228,976,775.15/19,088.19
  6. Step 6: Final answer
    x = 11,995.73

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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.