Home / 13,619.14-18,788.97-8,582.02

Finding the Fourth Proportional to 13,619.14, 18,788.97 and 8,582.02

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Solution

The fourth proportional to 13,619.14, 18,788.97 and 8,582.02 is: 11,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.14 : 18,788.97 = 8,582.02 : x
  2. Step 2: Convert to fraction form
    13,619.14/18,788.97 = 8,582.02/x
  3. Step 3: Cross multiply
    13,619.14x = 18,788.97 × 8,582.02
  4. Step 4: Simplify right side
    13,619.14x = 161,247,316.32
  5. Step 5: Solve for x
    x = 161,247,316.32/13,619.14
  6. Step 6: Final answer
    x = 11,839.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.