Home / 12,054.99-18,051.33-8,318.29

Finding the Fourth Proportional to 12,054.99, 18,051.33 and 8,318.29

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Solution

The fourth proportional to 12,054.99, 18,051.33 and 8,318.29 is: 12,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.99 : 18,051.33 = 8,318.29 : x
  2. Step 2: Convert to fraction form
    12,054.99/18,051.33 = 8,318.29/x
  3. Step 3: Cross multiply
    12,054.99x = 18,051.33 × 8,318.29
  4. Step 4: Simplify right side
    12,054.99x = 150,156,197.83
  5. Step 5: Solve for x
    x = 150,156,197.83/12,054.99
  6. Step 6: Final answer
    x = 12,455.94

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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.