Home / 12,906.72-19,364.40-5,976.16

Finding the Fourth Proportional to 12,906.72, 19,364.40 and 5,976.16

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Solution

The fourth proportional to 12,906.72, 19,364.40 and 5,976.16 is: 8,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906.72 : 19,364.40 = 5,976.16 : x
  2. Step 2: Convert to fraction form
    12,906.72/19,364.40 = 5,976.16/x
  3. Step 3: Cross multiply
    12,906.72x = 19,364.40 × 5,976.16
  4. Step 4: Simplify right side
    12,906.72x = 115,724,752.70
  5. Step 5: Solve for x
    x = 115,724,752.70/12,906.72
  6. Step 6: Final answer
    x = 8,966.24

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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.