Home / 12,939.36-19,409.04-6,012.24

Finding the Fourth Proportional to 12,939.36, 19,409.04 and 6,012.24

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Solution

The fourth proportional to 12,939.36, 19,409.04 and 6,012.24 is: 9,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939.36 : 19,409.04 = 6,012.24 : x
  2. Step 2: Convert to fraction form
    12,939.36/19,409.04 = 6,012.24/x
  3. Step 3: Cross multiply
    12,939.36x = 19,409.04 × 6,012.24
  4. Step 4: Simplify right side
    12,939.36x = 116,691,806.65
  5. Step 5: Solve for x
    x = 116,691,806.65/12,939.36
  6. Step 6: Final answer
    x = 9,018.36

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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.