Home / 13,227.44-19,838.99-4,905.50

Finding the Fourth Proportional to 13,227.44, 19,838.99 and 4,905.50

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Solution

The fourth proportional to 13,227.44, 19,838.99 and 4,905.50 is: 7,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.44 : 19,838.99 = 4,905.50 : x
  2. Step 2: Convert to fraction form
    13,227.44/19,838.99 = 4,905.50/x
  3. Step 3: Cross multiply
    13,227.44x = 19,838.99 × 4,905.50
  4. Step 4: Simplify right side
    13,227.44x = 97,320,078.51
  5. Step 5: Solve for x
    x = 97,320,078.51/13,227.44
  6. Step 6: Final answer
    x = 7,357.44

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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.