Home / 13,106.37-19,647.75-4,780.58

Finding the Fourth Proportional to 13,106.37, 19,647.75 and 4,780.58

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Solution

The fourth proportional to 13,106.37, 19,647.75 and 4,780.58 is: 7,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.37 : 19,647.75 = 4,780.58 : x
  2. Step 2: Convert to fraction form
    13,106.37/19,647.75 = 4,780.58/x
  3. Step 3: Cross multiply
    13,106.37x = 19,647.75 × 4,780.58
  4. Step 4: Simplify right side
    13,106.37x = 93,927,640.70
  5. Step 5: Solve for x
    x = 93,927,640.70/13,106.37
  6. Step 6: Final answer
    x = 7,166.56

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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.