Home / 21,204.72-29,262.74-11,773.28

Finding the Fourth Proportional to 21,204.72, 29,262.74 and 11,773.28

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Solution

The fourth proportional to 21,204.72, 29,262.74 and 11,773.28 is: 16,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.72 : 29,262.74 = 11,773.28 : x
  2. Step 2: Convert to fraction form
    21,204.72/29,262.74 = 11,773.28/x
  3. Step 3: Cross multiply
    21,204.72x = 29,262.74 × 11,773.28
  4. Step 4: Simplify right side
    21,204.72x = 344,518,445.88
  5. Step 5: Solve for x
    x = 344,518,445.88/21,204.72
  6. Step 6: Final answer
    x = 16,247.25

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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.