Home / 21,194.58-29,253.84-12,247.29

Finding the Fourth Proportional to 21,194.58, 29,253.84 and 12,247.29

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Solution

The fourth proportional to 21,194.58, 29,253.84 and 12,247.29 is: 16,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.58 : 29,253.84 = 12,247.29 : x
  2. Step 2: Convert to fraction form
    21,194.58/29,253.84 = 12,247.29/x
  3. Step 3: Cross multiply
    21,194.58x = 29,253.84 × 12,247.29
  4. Step 4: Simplify right side
    21,194.58x = 358,280,262.09
  5. Step 5: Solve for x
    x = 358,280,262.09/21,194.58
  6. Step 6: Final answer
    x = 16,904.33

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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.