Home / 21,344.19-29,454.98-11,784.08

Finding the Fourth Proportional to 21,344.19, 29,454.98 and 11,784.08

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Solution

The fourth proportional to 21,344.19, 29,454.98 and 11,784.08 is: 16,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344.19 : 29,454.98 = 11,784.08 : x
  2. Step 2: Convert to fraction form
    21,344.19/29,454.98 = 11,784.08/x
  3. Step 3: Cross multiply
    21,344.19x = 29,454.98 × 11,784.08
  4. Step 4: Simplify right side
    21,344.19x = 347,099,634.52
  5. Step 5: Solve for x
    x = 347,099,634.52/21,344.19
  6. Step 6: Final answer
    x = 16,262.02

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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.