Home / 20,370.21-30,537.90-9,272.94

Finding the Fourth Proportional to 20,370.21, 30,537.90 and 9,272.94

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Solution

The fourth proportional to 20,370.21, 30,537.90 and 9,272.94 is: 13,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370.21 : 30,537.90 = 9,272.94 : x
  2. Step 2: Convert to fraction form
    20,370.21/30,537.90 = 9,272.94/x
  3. Step 3: Cross multiply
    20,370.21x = 30,537.90 × 9,272.94
  4. Step 4: Simplify right side
    20,370.21x = 283,176,114.43
  5. Step 5: Solve for x
    x = 283,176,114.43/20,370.21
  6. Step 6: Final answer
    x = 13,901.48

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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.