Home / 21,333.72-29,440.32-11,773.69

Finding the Fourth Proportional to 21,333.72, 29,440.32 and 11,773.69

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Solution

The fourth proportional to 21,333.72, 29,440.32 and 11,773.69 is: 16,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333.72 : 29,440.32 = 11,773.69 : x
  2. Step 2: Convert to fraction form
    21,333.72/29,440.32 = 11,773.69/x
  3. Step 3: Cross multiply
    21,333.72x = 29,440.32 × 11,773.69
  4. Step 4: Simplify right side
    21,333.72x = 346,621,201.18
  5. Step 5: Solve for x
    x = 346,621,201.18/21,333.72
  6. Step 6: Final answer
    x = 16,247.57

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1.5x scale

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.