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Finding the Fourth Proportional to 14,125, 19,491.83 and 7,751.44

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Solution

The fourth proportional to 14,125, 19,491.83 and 7,751.44 is: 10,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125 : 19,491.83 = 7,751.44 : x
  2. Step 2: Convert to fraction form
    14,125/19,491.83 = 7,751.44/x
  3. Step 3: Cross multiply
    14,125x = 19,491.83 × 7,751.44
  4. Step 4: Simplify right side
    14,125x = 151,089,750.74
  5. Step 5: Solve for x
    x = 151,089,750.74/14,125
  6. Step 6: Final answer
    x = 10,696.62

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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.