Home / 21,504.12-29,674.25-11,943.23

Finding the Fourth Proportional to 21,504.12, 29,674.25 and 11,943.23

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Solution

The fourth proportional to 21,504.12, 29,674.25 and 11,943.23 is: 16,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.12 : 29,674.25 = 11,943.23 : x
  2. Step 2: Convert to fraction form
    21,504.12/29,674.25 = 11,943.23/x
  3. Step 3: Cross multiply
    21,504.12x = 29,674.25 × 11,943.23
  4. Step 4: Simplify right side
    21,504.12x = 354,406,184.74
  5. Step 5: Solve for x
    x = 354,406,184.74/21,504.12
  6. Step 6: Final answer
    x = 16,480.85

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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.