Home / 20,895.88-31,345.44-9,050.44

Finding the Fourth Proportional to 20,895.88, 31,345.44 and 9,050.44

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Solution

The fourth proportional to 20,895.88, 31,345.44 and 9,050.44 is: 13,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.88 : 31,345.44 = 9,050.44 : x
  2. Step 2: Convert to fraction form
    20,895.88/31,345.44 = 9,050.44/x
  3. Step 3: Cross multiply
    20,895.88x = 31,345.44 × 9,050.44
  4. Step 4: Simplify right side
    20,895.88x = 283,690,023.99
  5. Step 5: Solve for x
    x = 283,690,023.99/20,895.88
  6. Step 6: Final answer
    x = 13,576.36

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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.