Home / 20,773.88-31,160.52-9,674.36

Finding the Fourth Proportional to 20,773.88, 31,160.52 and 9,674.36

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Solution

The fourth proportional to 20,773.88, 31,160.52 and 9,674.36 is: 14,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773.88 : 31,160.52 = 9,674.36 : x
  2. Step 2: Convert to fraction form
    20,773.88/31,160.52 = 9,674.36/x
  3. Step 3: Cross multiply
    20,773.88x = 31,160.52 × 9,674.36
  4. Step 4: Simplify right side
    20,773.88x = 301,458,088.27
  5. Step 5: Solve for x
    x = 301,458,088.27/20,773.88
  6. Step 6: Final answer
    x = 14,511.40

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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.