Home / 14,660.30-20,230.01-8,287.44

Finding the Fourth Proportional to 14,660.30, 20,230.01 and 8,287.44

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Solution

The fourth proportional to 14,660.30, 20,230.01 and 8,287.44 is: 11,435.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.30 : 20,230.01 = 8,287.44 : x
  2. Step 2: Convert to fraction form
    14,660.30/20,230.01 = 8,287.44/x
  3. Step 3: Cross multiply
    14,660.30x = 20,230.01 × 8,287.44
  4. Step 4: Simplify right side
    14,660.30x = 167,654,994.07
  5. Step 5: Solve for x
    x = 167,654,994.07/14,660.30
  6. Step 6: Final answer
    x = 11,435.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.