Home / 21,626.64-29,846.52-12,197.16

Finding the Fourth Proportional to 21,626.64, 29,846.52 and 12,197.16

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Solution

The fourth proportional to 21,626.64, 29,846.52 and 12,197.16 is: 16,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.64 : 29,846.52 = 12,197.16 : x
  2. Step 2: Convert to fraction form
    21,626.64/29,846.52 = 12,197.16/x
  3. Step 3: Cross multiply
    21,626.64x = 29,846.52 × 12,197.16
  4. Step 4: Simplify right side
    21,626.64x = 364,042,779.88
  5. Step 5: Solve for x
    x = 364,042,779.88/21,626.64
  6. Step 6: Final answer
    x = 16,833.07

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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.