Home / 19,081.68-28,623.84-6,602.88

Finding the Fourth Proportional to 19,081.68, 28,623.84 and 6,602.88

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Solution

The fourth proportional to 19,081.68, 28,623.84 and 6,602.88 is: 9,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.68 : 28,623.84 = 6,602.88 : x
  2. Step 2: Convert to fraction form
    19,081.68/28,623.84 = 6,602.88/x
  3. Step 3: Cross multiply
    19,081.68x = 28,623.84 × 6,602.88
  4. Step 4: Simplify right side
    19,081.68x = 188,999,780.66
  5. Step 5: Solve for x
    x = 188,999,780.66/19,081.68
  6. Step 6: Final answer
    x = 9,904.78

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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.