Home / 21,232.74-29,300.97-11,801.10

Finding the Fourth Proportional to 21,232.74, 29,300.97 and 11,801.10

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Solution

The fourth proportional to 21,232.74, 29,300.97 and 11,801.10 is: 16,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.74 : 29,300.97 = 11,801.10 : x
  2. Step 2: Convert to fraction form
    21,232.74/29,300.97 = 11,801.10/x
  3. Step 3: Cross multiply
    21,232.74x = 29,300.97 × 11,801.10
  4. Step 4: Simplify right side
    21,232.74x = 345,783,677.07
  5. Step 5: Solve for x
    x = 345,783,677.07/21,232.74
  6. Step 6: Final answer
    x = 16,285.40

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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.