Home / 21,451.08-32,163.60-9,602.64

Finding the Fourth Proportional to 21,451.08, 32,163.60 and 9,602.64

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Solution

The fourth proportional to 21,451.08, 32,163.60 and 9,602.64 is: 14,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451.08 : 32,163.60 = 9,602.64 : x
  2. Step 2: Convert to fraction form
    21,451.08/32,163.60 = 9,602.64/x
  3. Step 3: Cross multiply
    21,451.08x = 32,163.60 × 9,602.64
  4. Step 4: Simplify right side
    21,451.08x = 308,855,471.90
  5. Step 5: Solve for x
    x = 308,855,471.90/21,451.08
  6. Step 6: Final answer
    x = 14,398.13

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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.