Home / 14,108.06-19,469.23-7,820.44

Finding the Fourth Proportional to 14,108.06, 19,469.23 and 7,820.44

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Solution

The fourth proportional to 14,108.06, 19,469.23 and 7,820.44 is: 10,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.06 : 19,469.23 = 7,820.44 : x
  2. Step 2: Convert to fraction form
    14,108.06/19,469.23 = 7,820.44/x
  3. Step 3: Cross multiply
    14,108.06x = 19,469.23 × 7,820.44
  4. Step 4: Simplify right side
    14,108.06x = 152,257,876.84
  5. Step 5: Solve for x
    x = 152,257,876.84/14,108.06
  6. Step 6: Final answer
    x = 10,792.26

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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.