Home / 12,667.03-19,004.39-8,976.40

Finding the Fourth Proportional to 12,667.03, 19,004.39 and 8,976.40

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Solution

The fourth proportional to 12,667.03, 19,004.39 and 8,976.40 is: 13,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667.03 : 19,004.39 = 8,976.40 : x
  2. Step 2: Convert to fraction form
    12,667.03/19,004.39 = 8,976.40/x
  3. Step 3: Cross multiply
    12,667.03x = 19,004.39 × 8,976.40
  4. Step 4: Simplify right side
    12,667.03x = 170,591,006.40
  5. Step 5: Solve for x
    x = 170,591,006.40/12,667.03
  6. Step 6: Final answer
    x = 13,467.32

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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.