Home / 10,855.18-14,980.44-6,074.97

Finding the Fourth Proportional to 10,855.18, 14,980.44 and 6,074.97

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Solution

The fourth proportional to 10,855.18, 14,980.44 and 6,074.97 is: 8,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.18 : 14,980.44 = 6,074.97 : x
  2. Step 2: Convert to fraction form
    10,855.18/14,980.44 = 6,074.97/x
  3. Step 3: Cross multiply
    10,855.18x = 14,980.44 × 6,074.97
  4. Step 4: Simplify right side
    10,855.18x = 91,005,723.59
  5. Step 5: Solve for x
    x = 91,005,723.59/10,855.18
  6. Step 6: Final answer
    x = 8,383.62

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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.