Home / 12,946.35-19,422.56-4,180.93

Finding the Fourth Proportional to 12,946.35, 19,422.56 and 4,180.93

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Solution

The fourth proportional to 12,946.35, 19,422.56 and 4,180.93 is: 6,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.35 : 19,422.56 = 4,180.93 : x
  2. Step 2: Convert to fraction form
    12,946.35/19,422.56 = 4,180.93/x
  3. Step 3: Cross multiply
    12,946.35x = 19,422.56 × 4,180.93
  4. Step 4: Simplify right side
    12,946.35x = 81,204,363.78
  5. Step 5: Solve for x
    x = 81,204,363.78/12,946.35
  6. Step 6: Final answer
    x = 6,272.38

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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.