Home / 21,962.37-32,943.30-8,814.51

Finding the Fourth Proportional to 21,962.37, 32,943.30 and 8,814.51

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Solution

The fourth proportional to 21,962.37, 32,943.30 and 8,814.51 is: 13,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962.37 : 32,943.30 = 8,814.51 : x
  2. Step 2: Convert to fraction form
    21,962.37/32,943.30 = 8,814.51/x
  3. Step 3: Cross multiply
    21,962.37x = 32,943.30 × 8,814.51
  4. Step 4: Simplify right side
    21,962.37x = 290,379,047.28
  5. Step 5: Solve for x
    x = 290,379,047.28/21,962.37
  6. Step 6: Final answer
    x = 13,221.66

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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.