Home / 18,984.26-28,476.41-5,657.47

Finding the Fourth Proportional to 18,984.26, 28,476.41 and 5,657.47

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Solution

The fourth proportional to 18,984.26, 28,476.41 and 5,657.47 is: 8,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.26 : 28,476.41 = 5,657.47 : x
  2. Step 2: Convert to fraction form
    18,984.26/28,476.41 = 5,657.47/x
  3. Step 3: Cross multiply
    18,984.26x = 28,476.41 × 5,657.47
  4. Step 4: Simplify right side
    18,984.26x = 161,104,335.80
  5. Step 5: Solve for x
    x = 161,104,335.80/18,984.26
  6. Step 6: Final answer
    x = 8,486.20

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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.