Home / 12,976.74-19,452.78-6,395.22

Finding the Fourth Proportional to 12,976.74, 19,452.78 and 6,395.22

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Solution

The fourth proportional to 12,976.74, 19,452.78 and 6,395.22 is: 9,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.74 : 19,452.78 = 6,395.22 : x
  2. Step 2: Convert to fraction form
    12,976.74/19,452.78 = 6,395.22/x
  3. Step 3: Cross multiply
    12,976.74x = 19,452.78 × 6,395.22
  4. Step 4: Simplify right side
    12,976.74x = 124,404,807.71
  5. Step 5: Solve for x
    x = 124,404,807.71/12,976.74
  6. Step 6: Final answer
    x = 9,586.75

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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.