Home / 21,447.21-32,171.40-5,864.84

Finding the Fourth Proportional to 21,447.21, 32,171.40 and 5,864.84

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Solution

The fourth proportional to 21,447.21, 32,171.40 and 5,864.84 is: 8,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.21 : 32,171.40 = 5,864.84 : x
  2. Step 2: Convert to fraction form
    21,447.21/32,171.40 = 5,864.84/x
  3. Step 3: Cross multiply
    21,447.21x = 32,171.40 × 5,864.84
  4. Step 4: Simplify right side
    21,447.21x = 188,679,952.72
  5. Step 5: Solve for x
    x = 188,679,952.72/21,447.21
  6. Step 6: Final answer
    x = 8,797.41

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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.