Home / 21,224.08-31,813.98-11,850.36

Finding the Fourth Proportional to 21,224.08, 31,813.98 and 11,850.36

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Solution

The fourth proportional to 21,224.08, 31,813.98 and 11,850.36 is: 17,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.08 : 31,813.98 = 11,850.36 : x
  2. Step 2: Convert to fraction form
    21,224.08/31,813.98 = 11,850.36/x
  3. Step 3: Cross multiply
    21,224.08x = 31,813.98 × 11,850.36
  4. Step 4: Simplify right side
    21,224.08x = 377,007,116.03
  5. Step 5: Solve for x
    x = 377,007,116.03/21,224.08
  6. Step 6: Final answer
    x = 17,763.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.