Home / 18,908.58-28,366.25-6,427.95

Finding the Fourth Proportional to 18,908.58, 28,366.25 and 6,427.95

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Solution

The fourth proportional to 18,908.58, 28,366.25 and 6,427.95 is: 9,643.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.58 : 28,366.25 = 6,427.95 : x
  2. Step 2: Convert to fraction form
    18,908.58/28,366.25 = 6,427.95/x
  3. Step 3: Cross multiply
    18,908.58x = 28,366.25 × 6,427.95
  4. Step 4: Simplify right side
    18,908.58x = 182,336,733.63
  5. Step 5: Solve for x
    x = 182,336,733.63/18,908.58
  6. Step 6: Final answer
    x = 9,643.07

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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.