Home / 13,957.20-19,257.60-7,907.56

Finding the Fourth Proportional to 13,957.20, 19,257.60 and 7,907.56

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Solution

The fourth proportional to 13,957.20, 19,257.60 and 7,907.56 is: 10,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.20 : 19,257.60 = 7,907.56 : x
  2. Step 2: Convert to fraction form
    13,957.20/19,257.60 = 7,907.56/x
  3. Step 3: Cross multiply
    13,957.20x = 19,257.60 × 7,907.56
  4. Step 4: Simplify right side
    13,957.20x = 152,280,627.46
  5. Step 5: Solve for x
    x = 152,280,627.46/13,957.20
  6. Step 6: Final answer
    x = 10,910.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.