Home / 18,694.71-28,031.57-6,208.05

Finding the Fourth Proportional to 18,694.71, 28,031.57 and 6,208.05

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Solution

The fourth proportional to 18,694.71, 28,031.57 and 6,208.05 is: 9,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.71 : 28,031.57 = 6,208.05 : x
  2. Step 2: Convert to fraction form
    18,694.71/28,031.57 = 6,208.05/x
  3. Step 3: Cross multiply
    18,694.71x = 28,031.57 × 6,208.05
  4. Step 4: Simplify right side
    18,694.71x = 174,021,357.10
  5. Step 5: Solve for x
    x = 174,021,357.10/18,694.71
  6. Step 6: Final answer
    x = 9,308.59

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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.