Home / 13,819.84-19,071.75-7,532.62

Finding the Fourth Proportional to 13,819.84, 19,071.75 and 7,532.62

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Solution

The fourth proportional to 13,819.84, 19,071.75 and 7,532.62 is: 10,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.84 : 19,071.75 = 7,532.62 : x
  2. Step 2: Convert to fraction form
    13,819.84/19,071.75 = 7,532.62/x
  3. Step 3: Cross multiply
    13,819.84x = 19,071.75 × 7,532.62
  4. Step 4: Simplify right side
    13,819.84x = 143,660,245.49
  5. Step 5: Solve for x
    x = 143,660,245.49/13,819.84
  6. Step 6: Final answer
    x = 10,395.22

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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.