Home / 21,737.07-29,998.27-12,176.38

Finding the Fourth Proportional to 21,737.07, 29,998.27 and 12,176.38

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Solution

The fourth proportional to 21,737.07, 29,998.27 and 12,176.38 is: 16,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.07 : 29,998.27 = 12,176.38 : x
  2. Step 2: Convert to fraction form
    21,737.07/29,998.27 = 12,176.38/x
  3. Step 3: Cross multiply
    21,737.07x = 29,998.27 × 12,176.38
  4. Step 4: Simplify right side
    21,737.07x = 365,270,387.58
  5. Step 5: Solve for x
    x = 365,270,387.58/21,737.07
  6. Step 6: Final answer
    x = 16,804.03

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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.