Home / 12,976.16-19,447.32-5,953.64

Finding the Fourth Proportional to 12,976.16, 19,447.32 and 5,953.64

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Solution

The fourth proportional to 12,976.16, 19,447.32 and 5,953.64 is: 8,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.16 : 19,447.32 = 5,953.64 : x
  2. Step 2: Convert to fraction form
    12,976.16/19,447.32 = 5,953.64/x
  3. Step 3: Cross multiply
    12,976.16x = 19,447.32 × 5,953.64
  4. Step 4: Simplify right side
    12,976.16x = 115,782,342.24
  5. Step 5: Solve for x
    x = 115,782,342.24/12,976.16
  6. Step 6: Final answer
    x = 8,922.70

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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.