Home / 13,737.12-19,037.04-13,474.56

Finding the Fourth Proportional to 13,737.12, 19,037.04 and 13,474.56

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Solution

The fourth proportional to 13,737.12, 19,037.04 and 13,474.56 is: 18,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.12 : 19,037.04 = 13,474.56 : x
  2. Step 2: Convert to fraction form
    13,737.12/19,037.04 = 13,474.56/x
  3. Step 3: Cross multiply
    13,737.12x = 19,037.04 × 13,474.56
  4. Step 4: Simplify right side
    13,737.12x = 256,515,737.70
  5. Step 5: Solve for x
    x = 256,515,737.70/13,737.12
  6. Step 6: Final answer
    x = 18,673.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.