Home / 20,284.56-30,427.26-9,189.24

Finding the Fourth Proportional to 20,284.56, 30,427.26 and 9,189.24

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Solution

The fourth proportional to 20,284.56, 30,427.26 and 9,189.24 is: 13,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.56 : 30,427.26 = 9,189.24 : x
  2. Step 2: Convert to fraction form
    20,284.56/30,427.26 = 9,189.24/x
  3. Step 3: Cross multiply
    20,284.56x = 30,427.26 × 9,189.24
  4. Step 4: Simplify right side
    20,284.56x = 279,603,394.68
  5. Step 5: Solve for x
    x = 279,603,394.68/20,284.56
  6. Step 6: Final answer
    x = 13,784.05

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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.