Home / 20,666.64-31,003.44-9,568.80

Finding the Fourth Proportional to 20,666.64, 31,003.44 and 9,568.80

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Solution

The fourth proportional to 20,666.64, 31,003.44 and 9,568.80 is: 14,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,666.64 : 31,003.44 = 9,568.80 : x
  2. Step 2: Convert to fraction form
    20,666.64/31,003.44 = 9,568.80/x
  3. Step 3: Cross multiply
    20,666.64x = 31,003.44 × 9,568.80
  4. Step 4: Simplify right side
    20,666.64x = 296,665,716.67
  5. Step 5: Solve for x
    x = 296,665,716.67/20,666.64
  6. Step 6: Final answer
    x = 14,354.81

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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.