Home / 12,826.54-19,239.81-8,019.46

Finding the Fourth Proportional to 12,826.54, 19,239.81 and 8,019.46

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Solution

The fourth proportional to 12,826.54, 19,239.81 and 8,019.46 is: 12,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.54 : 19,239.81 = 8,019.46 : x
  2. Step 2: Convert to fraction form
    12,826.54/19,239.81 = 8,019.46/x
  3. Step 3: Cross multiply
    12,826.54x = 19,239.81 × 8,019.46
  4. Step 4: Simplify right side
    12,826.54x = 154,292,886.70
  5. Step 5: Solve for x
    x = 154,292,886.70/12,826.54
  6. Step 6: Final answer
    x = 12,029.19

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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.