Home / 12,698.94-19,055.61-6,855.42

Finding the Fourth Proportional to 12,698.94, 19,055.61 and 6,855.42

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Solution

The fourth proportional to 12,698.94, 19,055.61 and 6,855.42 is: 10,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.94 : 19,055.61 = 6,855.42 : x
  2. Step 2: Convert to fraction form
    12,698.94/19,055.61 = 6,855.42/x
  3. Step 3: Cross multiply
    12,698.94x = 19,055.61 × 6,855.42
  4. Step 4: Simplify right side
    12,698.94x = 130,634,209.91
  5. Step 5: Solve for x
    x = 130,634,209.91/12,698.94
  6. Step 6: Final answer
    x = 10,287.02

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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.