Home / 20,895.69-31,345.53-6,104.73

Finding the Fourth Proportional to 20,895.69, 31,345.53 and 6,104.73

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Solution

The fourth proportional to 20,895.69, 31,345.53 and 6,104.73 is: 9,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.69 : 31,345.53 = 6,104.73 : x
  2. Step 2: Convert to fraction form
    20,895.69/31,345.53 = 6,104.73/x
  3. Step 3: Cross multiply
    20,895.69x = 31,345.53 × 6,104.73
  4. Step 4: Simplify right side
    20,895.69x = 191,355,997.36
  5. Step 5: Solve for x
    x = 191,355,997.36/20,895.69
  6. Step 6: Final answer
    x = 9,157.68

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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.