Home / 21,452.14-32,190.82-8,971.16

Finding the Fourth Proportional to 21,452.14, 32,190.82 and 8,971.16

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Solution

The fourth proportional to 21,452.14, 32,190.82 and 8,971.16 is: 13,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.14 : 32,190.82 = 8,971.16 : x
  2. Step 2: Convert to fraction form
    21,452.14/32,190.82 = 8,971.16/x
  3. Step 3: Cross multiply
    21,452.14x = 32,190.82 × 8,971.16
  4. Step 4: Simplify right side
    21,452.14x = 288,788,813.37
  5. Step 5: Solve for x
    x = 288,788,813.37/21,452.14
  6. Step 6: Final answer
    x = 13,462.00

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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.