Home / 20,895.67-31,327.10-10,888.73

Finding the Fourth Proportional to 20,895.67, 31,327.10 and 10,888.73

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Solution

The fourth proportional to 20,895.67, 31,327.10 and 10,888.73 is: 16,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.67 : 31,327.10 = 10,888.73 : x
  2. Step 2: Convert to fraction form
    20,895.67/31,327.10 = 10,888.73/x
  3. Step 3: Cross multiply
    20,895.67x = 31,327.10 × 10,888.73
  4. Step 4: Simplify right side
    20,895.67x = 341,112,122.50
  5. Step 5: Solve for x
    x = 341,112,122.50/20,895.67
  6. Step 6: Final answer
    x = 16,324.54

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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.