Home / 12,998.36-19,497.36-3,137.58

Finding the Fourth Proportional to 12,998.36, 19,497.36 and 3,137.58

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Solution

The fourth proportional to 12,998.36, 19,497.36 and 3,137.58 is: 4,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998.36 : 19,497.36 = 3,137.58 : x
  2. Step 2: Convert to fraction form
    12,998.36/19,497.36 = 3,137.58/x
  3. Step 3: Cross multiply
    12,998.36x = 19,497.36 × 3,137.58
  4. Step 4: Simplify right side
    12,998.36x = 61,174,526.79
  5. Step 5: Solve for x
    x = 61,174,526.79/12,998.36
  6. Step 6: Final answer
    x = 4,706.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.