Home / 15,836.46-21,737.89-14,003.78

Finding the Fourth Proportional to 15,836.46, 21,737.89 and 14,003.78

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Solution

The fourth proportional to 15,836.46, 21,737.89 and 14,003.78 is: 19,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.46 : 21,737.89 = 14,003.78 : x
  2. Step 2: Convert to fraction form
    15,836.46/21,737.89 = 14,003.78/x
  3. Step 3: Cross multiply
    15,836.46x = 21,737.89 × 14,003.78
  4. Step 4: Simplify right side
    15,836.46x = 304,412,538.04
  5. Step 5: Solve for x
    x = 304,412,538.04/15,836.46
  6. Step 6: Final answer
    x = 19,222.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.