Home / 21,511.44-32,259.04-8,362.16

Finding the Fourth Proportional to 21,511.44, 32,259.04 and 8,362.16

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Solution

The fourth proportional to 21,511.44, 32,259.04 and 8,362.16 is: 12,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.44 : 32,259.04 = 8,362.16 : x
  2. Step 2: Convert to fraction form
    21,511.44/32,259.04 = 8,362.16/x
  3. Step 3: Cross multiply
    21,511.44x = 32,259.04 × 8,362.16
  4. Step 4: Simplify right side
    21,511.44x = 269,755,253.93
  5. Step 5: Solve for x
    x = 269,755,253.93/21,511.44
  6. Step 6: Final answer
    x = 12,540.08

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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.