Home / 12,946.96-19,378.66-6,698.37

Finding the Fourth Proportional to 12,946.96, 19,378.66 and 6,698.37

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Solution

The fourth proportional to 12,946.96, 19,378.66 and 6,698.37 is: 10,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.96 : 19,378.66 = 6,698.37 : x
  2. Step 2: Convert to fraction form
    12,946.96/19,378.66 = 6,698.37/x
  3. Step 3: Cross multiply
    12,946.96x = 19,378.66 × 6,698.37
  4. Step 4: Simplify right side
    12,946.96x = 129,805,434.78
  5. Step 5: Solve for x
    x = 129,805,434.78/12,946.96
  6. Step 6: Final answer
    x = 10,025.94

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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.