Home / 13,219.69-19,829.54-3,359.02

Finding the Fourth Proportional to 13,219.69, 19,829.54 and 3,359.02

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Solution

The fourth proportional to 13,219.69, 19,829.54 and 3,359.02 is: 5,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.69 : 19,829.54 = 3,359.02 : x
  2. Step 2: Convert to fraction form
    13,219.69/19,829.54 = 3,359.02/x
  3. Step 3: Cross multiply
    13,219.69x = 19,829.54 × 3,359.02
  4. Step 4: Simplify right side
    13,219.69x = 66,607,821.45
  5. Step 5: Solve for x
    x = 66,607,821.45/13,219.69
  6. Step 6: Final answer
    x = 5,038.53

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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.