Home / 21,598.64-29,807.94-12,169.02

Finding the Fourth Proportional to 21,598.64, 29,807.94 and 12,169.02

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Solution

The fourth proportional to 21,598.64, 29,807.94 and 12,169.02 is: 16,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,598.64 : 29,807.94 = 12,169.02 : x
  2. Step 2: Convert to fraction form
    21,598.64/29,807.94 = 12,169.02/x
  3. Step 3: Cross multiply
    21,598.64x = 29,807.94 × 12,169.02
  4. Step 4: Simplify right side
    21,598.64x = 362,733,418.02
  5. Step 5: Solve for x
    x = 362,733,418.02/21,598.64
  6. Step 6: Final answer
    x = 16,794.28

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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.