Home / 13,106.96-19,616.44-8,929.68

Finding the Fourth Proportional to 13,106.96, 19,616.44 and 8,929.68

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Solution

The fourth proportional to 13,106.96, 19,616.44 and 8,929.68 is: 13,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.96 : 19,616.44 = 8,929.68 : x
  2. Step 2: Convert to fraction form
    13,106.96/19,616.44 = 8,929.68/x
  3. Step 3: Cross multiply
    13,106.96x = 19,616.44 × 8,929.68
  4. Step 4: Simplify right side
    13,106.96x = 175,168,531.94
  5. Step 5: Solve for x
    x = 175,168,531.94/13,106.96
  6. Step 6: Final answer
    x = 13,364.54

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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.