Home / 21,608.94-32,389.32-9,125.22

Finding the Fourth Proportional to 21,608.94, 32,389.32 and 9,125.22

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Solution

The fourth proportional to 21,608.94, 32,389.32 and 9,125.22 is: 13,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.94 : 32,389.32 = 9,125.22 : x
  2. Step 2: Convert to fraction form
    21,608.94/32,389.32 = 9,125.22/x
  3. Step 3: Cross multiply
    21,608.94x = 32,389.32 × 9,125.22
  4. Step 4: Simplify right side
    21,608.94x = 295,559,670.65
  5. Step 5: Solve for x
    x = 295,559,670.65/21,608.94
  6. Step 6: Final answer
    x = 13,677.66

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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.