Home / 21,334.61-29,441.64-11,644.08

Finding the Fourth Proportional to 21,334.61, 29,441.64 and 11,644.08

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Solution

The fourth proportional to 21,334.61, 29,441.64 and 11,644.08 is: 16,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.61 : 29,441.64 = 11,644.08 : x
  2. Step 2: Convert to fraction form
    21,334.61/29,441.64 = 11,644.08/x
  3. Step 3: Cross multiply
    21,334.61x = 29,441.64 × 11,644.08
  4. Step 4: Simplify right side
    21,334.61x = 342,820,744.75
  5. Step 5: Solve for x
    x = 342,820,744.75/21,334.61
  6. Step 6: Final answer
    x = 16,068.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.