Home / 21,731.07-32,589.63-11,199.69

Finding the Fourth Proportional to 21,731.07, 32,589.63 and 11,199.69

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Solution

The fourth proportional to 21,731.07, 32,589.63 and 11,199.69 is: 16,795.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731.07 : 32,589.63 = 11,199.69 : x
  2. Step 2: Convert to fraction form
    21,731.07/32,589.63 = 11,199.69/x
  3. Step 3: Cross multiply
    21,731.07x = 32,589.63 × 11,199.69
  4. Step 4: Simplify right side
    21,731.07x = 364,993,753.21
  5. Step 5: Solve for x
    x = 364,993,753.21/21,731.07
  6. Step 6: Final answer
    x = 16,795.94

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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.