Home / 20,186.08-30,277.26-5,394.47

Finding the Fourth Proportional to 20,186.08, 30,277.26 and 5,394.47

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Solution

The fourth proportional to 20,186.08, 30,277.26 and 5,394.47 is: 8,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.08 : 30,277.26 = 5,394.47 : x
  2. Step 2: Convert to fraction form
    20,186.08/30,277.26 = 5,394.47/x
  3. Step 3: Cross multiply
    20,186.08x = 30,277.26 × 5,394.47
  4. Step 4: Simplify right side
    20,186.08x = 163,329,619.37
  5. Step 5: Solve for x
    x = 163,329,619.37/20,186.08
  6. Step 6: Final answer
    x = 8,091.20

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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.