Home / 20,189.58-30,284.40-9,101.52

Finding the Fourth Proportional to 20,189.58, 30,284.40 and 9,101.52

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Solution

The fourth proportional to 20,189.58, 30,284.40 and 9,101.52 is: 13,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189.58 : 30,284.40 = 9,101.52 : x
  2. Step 2: Convert to fraction form
    20,189.58/30,284.40 = 9,101.52/x
  3. Step 3: Cross multiply
    20,189.58x = 30,284.40 × 9,101.52
  4. Step 4: Simplify right side
    20,189.58x = 275,634,072.29
  5. Step 5: Solve for x
    x = 275,634,072.29/20,189.58
  6. Step 6: Final answer
    x = 13,652.29

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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.