Home / 13,763.75-18,997.37-7,798.94

Finding the Fourth Proportional to 13,763.75, 18,997.37 and 7,798.94

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Solution

The fourth proportional to 13,763.75, 18,997.37 and 7,798.94 is: 10,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.75 : 18,997.37 = 7,798.94 : x
  2. Step 2: Convert to fraction form
    13,763.75/18,997.37 = 7,798.94/x
  3. Step 3: Cross multiply
    13,763.75x = 18,997.37 × 7,798.94
  4. Step 4: Simplify right side
    13,763.75x = 148,159,348.79
  5. Step 5: Solve for x
    x = 148,159,348.79/13,763.75
  6. Step 6: Final answer
    x = 10,764.46

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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.