Home / 21,973.21-32,961.76-6,178.38

Finding the Fourth Proportional to 21,973.21, 32,961.76 and 6,178.38

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Solution

The fourth proportional to 21,973.21, 32,961.76 and 6,178.38 is: 9,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.21 : 32,961.76 = 6,178.38 : x
  2. Step 2: Convert to fraction form
    21,973.21/32,961.76 = 6,178.38/x
  3. Step 3: Cross multiply
    21,973.21x = 32,961.76 × 6,178.38
  4. Step 4: Simplify right side
    21,973.21x = 203,650,322.20
  5. Step 5: Solve for x
    x = 203,650,322.20/21,973.21
  6. Step 6: Final answer
    x = 9,268.12

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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.