Home / 12,954.94-17,873.36-7,288.80

Finding the Fourth Proportional to 12,954.94, 17,873.36 and 7,288.80

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Solution

The fourth proportional to 12,954.94, 17,873.36 and 7,288.80 is: 10,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.94 : 17,873.36 = 7,288.80 : x
  2. Step 2: Convert to fraction form
    12,954.94/17,873.36 = 7,288.80/x
  3. Step 3: Cross multiply
    12,954.94x = 17,873.36 × 7,288.80
  4. Step 4: Simplify right side
    12,954.94x = 130,275,346.37
  5. Step 5: Solve for x
    x = 130,275,346.37/12,954.94
  6. Step 6: Final answer
    x = 10,056.04

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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.