Home / 12,946.20-19,404.90-6,703.80

Finding the Fourth Proportional to 12,946.20, 19,404.90 and 6,703.80

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Solution

The fourth proportional to 12,946.20, 19,404.90 and 6,703.80 is: 10,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.20 : 19,404.90 = 6,703.80 : x
  2. Step 2: Convert to fraction form
    12,946.20/19,404.90 = 6,703.80/x
  3. Step 3: Cross multiply
    12,946.20x = 19,404.90 × 6,703.80
  4. Step 4: Simplify right side
    12,946.20x = 130,086,568.62
  5. Step 5: Solve for x
    x = 130,086,568.62/12,946.20
  6. Step 6: Final answer
    x = 10,048.24

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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.