Home / 20,922.48-31,380.99-9,232.97

Finding the Fourth Proportional to 20,922.48, 31,380.99 and 9,232.97

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Solution

The fourth proportional to 20,922.48, 31,380.99 and 9,232.97 is: 13,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922.48 : 31,380.99 = 9,232.97 : x
  2. Step 2: Convert to fraction form
    20,922.48/31,380.99 = 9,232.97/x
  3. Step 3: Cross multiply
    20,922.48x = 31,380.99 × 9,232.97
  4. Step 4: Simplify right side
    20,922.48x = 289,739,582.34
  5. Step 5: Solve for x
    x = 289,739,582.34/20,922.48
  6. Step 6: Final answer
    x = 13,848.24

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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.