Home / 21,597.42-29,804.31-12,169.02

Finding the Fourth Proportional to 21,597.42, 29,804.31 and 12,169.02

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Solution

The fourth proportional to 21,597.42, 29,804.31 and 12,169.02 is: 16,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597.42 : 29,804.31 = 12,169.02 : x
  2. Step 2: Convert to fraction form
    21,597.42/29,804.31 = 12,169.02/x
  3. Step 3: Cross multiply
    21,597.42x = 29,804.31 × 12,169.02
  4. Step 4: Simplify right side
    21,597.42x = 362,689,244.48
  5. Step 5: Solve for x
    x = 362,689,244.48/21,597.42
  6. Step 6: Final answer
    x = 16,793.17

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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.