Home / 12,731.09-19,098.74-5,336.10

Finding the Fourth Proportional to 12,731.09, 19,098.74 and 5,336.10

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Solution

The fourth proportional to 12,731.09, 19,098.74 and 5,336.10 is: 8,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.09 : 19,098.74 = 5,336.10 : x
  2. Step 2: Convert to fraction form
    12,731.09/19,098.74 = 5,336.10/x
  3. Step 3: Cross multiply
    12,731.09x = 19,098.74 × 5,336.10
  4. Step 4: Simplify right side
    12,731.09x = 101,912,786.51
  5. Step 5: Solve for x
    x = 101,912,786.51/12,731.09
  6. Step 6: Final answer
    x = 8,005.03

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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.