Home / 21,606.13-29,816.46-11,670.13

Finding the Fourth Proportional to 21,606.13, 29,816.46 and 11,670.13

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Solution

The fourth proportional to 21,606.13, 29,816.46 and 11,670.13 is: 16,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.13 : 29,816.46 = 11,670.13 : x
  2. Step 2: Convert to fraction form
    21,606.13/29,816.46 = 11,670.13/x
  3. Step 3: Cross multiply
    21,606.13x = 29,816.46 × 11,670.13
  4. Step 4: Simplify right side
    21,606.13x = 347,961,964.34
  5. Step 5: Solve for x
    x = 347,961,964.34/21,606.13
  6. Step 6: Final answer
    x = 16,104.78

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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.