Home / 13,284-19,929.52-6,622.46

Finding the Fourth Proportional to 13,284, 19,929.52 and 6,622.46

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Solution

The fourth proportional to 13,284, 19,929.52 and 6,622.46 is: 9,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284 : 19,929.52 = 6,622.46 : x
  2. Step 2: Convert to fraction form
    13,284/19,929.52 = 6,622.46/x
  3. Step 3: Cross multiply
    13,284x = 19,929.52 × 6,622.46
  4. Step 4: Simplify right side
    13,284x = 131,982,449.02
  5. Step 5: Solve for x
    x = 131,982,449.02/13,284
  6. Step 6: Final answer
    x = 9,935.44

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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.