Home / 11,623.19-16,042.32-7,379.30

Finding the Fourth Proportional to 11,623.19, 16,042.32 and 7,379.30

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Solution

The fourth proportional to 11,623.19, 16,042.32 and 7,379.30 is: 10,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.19 : 16,042.32 = 7,379.30 : x
  2. Step 2: Convert to fraction form
    11,623.19/16,042.32 = 7,379.30/x
  3. Step 3: Cross multiply
    11,623.19x = 16,042.32 × 7,379.30
  4. Step 4: Simplify right side
    11,623.19x = 118,381,091.98
  5. Step 5: Solve for x
    x = 118,381,091.98/11,623.19
  6. Step 6: Final answer
    x = 10,184.91

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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.