Home / 69,409.03-104,113.59-16,818.61

Finding the Fourth Proportional to 69,409.03, 104,113.59 and 16,818.61

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Solution

The fourth proportional to 69,409.03, 104,113.59 and 16,818.61 is: 25,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,409.03 : 104,113.59 = 16,818.61 : x
  2. Step 2: Convert to fraction form
    69,409.03/104,113.59 = 16,818.61/x
  3. Step 3: Cross multiply
    69,409.03x = 104,113.59 × 16,818.61
  4. Step 4: Simplify right side
    69,409.03x = 1,751,045,865.91
  5. Step 5: Solve for x
    x = 1,751,045,865.91/69,409.03
  6. Step 6: Final answer
    x = 25,227.93

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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.