Home / 21,997.84-32,989.08-13,234.32

Finding the Fourth Proportional to 21,997.84, 32,989.08 and 13,234.32

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Solution

The fourth proportional to 21,997.84, 32,989.08 and 13,234.32 is: 19,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997.84 : 32,989.08 = 13,234.32 : x
  2. Step 2: Convert to fraction form
    21,997.84/32,989.08 = 13,234.32/x
  3. Step 3: Cross multiply
    21,997.84x = 32,989.08 × 13,234.32
  4. Step 4: Simplify right side
    21,997.84x = 436,588,041.23
  5. Step 5: Solve for x
    x = 436,588,041.23/21,997.84
  6. Step 6: Final answer
    x = 19,846.86

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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.