Home / 21,814.34-32,716.86-9,964.75

Finding the Fourth Proportional to 21,814.34, 32,716.86 and 9,964.75

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Solution

The fourth proportional to 21,814.34, 32,716.86 and 9,964.75 is: 14,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,814.34 : 32,716.86 = 9,964.75 : x
  2. Step 2: Convert to fraction form
    21,814.34/32,716.86 = 9,964.75/x
  3. Step 3: Cross multiply
    21,814.34x = 32,716.86 × 9,964.75
  4. Step 4: Simplify right side
    21,814.34x = 326,015,330.69
  5. Step 5: Solve for x
    x = 326,015,330.69/21,814.34
  6. Step 6: Final answer
    x = 14,945.00

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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.