Home / 21,983.08-32,962.32-9,495.31

Finding the Fourth Proportional to 21,983.08, 32,962.32 and 9,495.31

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Solution

The fourth proportional to 21,983.08, 32,962.32 and 9,495.31 is: 14,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.08 : 32,962.32 = 9,495.31 : x
  2. Step 2: Convert to fraction form
    21,983.08/32,962.32 = 9,495.31/x
  3. Step 3: Cross multiply
    21,983.08x = 32,962.32 × 9,495.31
  4. Step 4: Simplify right side
    21,983.08x = 312,987,446.72
  5. Step 5: Solve for x
    x = 312,987,446.72/21,983.08
  6. Step 6: Final answer
    x = 14,237.65

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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.