Home / 12,046.26-18,070.98-5,382.81

Finding the Fourth Proportional to 12,046.26, 18,070.98 and 5,382.81

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Solution

The fourth proportional to 12,046.26, 18,070.98 and 5,382.81 is: 8,074.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.26 : 18,070.98 = 5,382.81 : x
  2. Step 2: Convert to fraction form
    12,046.26/18,070.98 = 5,382.81/x
  3. Step 3: Cross multiply
    12,046.26x = 18,070.98 × 5,382.81
  4. Step 4: Simplify right side
    12,046.26x = 97,272,651.85
  5. Step 5: Solve for x
    x = 97,272,651.85/12,046.26
  6. Step 6: Final answer
    x = 8,074.93

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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.