Home / 10,764.09-14,855.58-6,289.29

Finding the Fourth Proportional to 10,764.09, 14,855.58 and 6,289.29

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Solution

The fourth proportional to 10,764.09, 14,855.58 and 6,289.29 is: 8,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.09 : 14,855.58 = 6,289.29 : x
  2. Step 2: Convert to fraction form
    10,764.09/14,855.58 = 6,289.29/x
  3. Step 3: Cross multiply
    10,764.09x = 14,855.58 × 6,289.29
  4. Step 4: Simplify right side
    10,764.09x = 93,431,050.74
  5. Step 5: Solve for x
    x = 93,431,050.74/10,764.09
  6. Step 6: Final answer
    x = 8,679.88

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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.