Home / 21,523.75-29,701.96-11,964.22

Finding the Fourth Proportional to 21,523.75, 29,701.96 and 11,964.22

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Solution

The fourth proportional to 21,523.75, 29,701.96 and 11,964.22 is: 16,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.75 : 29,701.96 = 11,964.22 : x
  2. Step 2: Convert to fraction form
    21,523.75/29,701.96 = 11,964.22/x
  3. Step 3: Cross multiply
    21,523.75x = 29,701.96 × 11,964.22
  4. Step 4: Simplify right side
    21,523.75x = 355,360,783.87
  5. Step 5: Solve for x
    x = 355,360,783.87/21,523.75
  6. Step 6: Final answer
    x = 16,510.17

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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.