Home / 8,635.98-11,926.35-6,769.74

Finding the Fourth Proportional to 8,635.98, 11,926.35 and 6,769.74

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Solution

The fourth proportional to 8,635.98, 11,926.35 and 6,769.74 is: 9,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.98 : 11,926.35 = 6,769.74 : x
  2. Step 2: Convert to fraction form
    8,635.98/11,926.35 = 6,769.74/x
  3. Step 3: Cross multiply
    8,635.98x = 11,926.35 × 6,769.74
  4. Step 4: Simplify right side
    8,635.98x = 80,738,288.65
  5. Step 5: Solve for x
    x = 80,738,288.65/8,635.98
  6. Step 6: Final answer
    x = 9,349.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.