Home / 12,004.41-18,012.96-8,516.96

Finding the Fourth Proportional to 12,004.41, 18,012.96 and 8,516.96

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Solution

The fourth proportional to 12,004.41, 18,012.96 and 8,516.96 is: 12,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.41 : 18,012.96 = 8,516.96 : x
  2. Step 2: Convert to fraction form
    12,004.41/18,012.96 = 8,516.96/x
  3. Step 3: Cross multiply
    12,004.41x = 18,012.96 × 8,516.96
  4. Step 4: Simplify right side
    12,004.41x = 153,415,569.74
  5. Step 5: Solve for x
    x = 153,415,569.74/12,004.41
  6. Step 6: Final answer
    x = 12,779.93

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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.