Home / 12,954.24-17,878.56-7,364.16

Finding the Fourth Proportional to 12,954.24, 17,878.56 and 7,364.16

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Solution

The fourth proportional to 12,954.24, 17,878.56 and 7,364.16 is: 10,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.24 : 17,878.56 = 7,364.16 : x
  2. Step 2: Convert to fraction form
    12,954.24/17,878.56 = 7,364.16/x
  3. Step 3: Cross multiply
    12,954.24x = 17,878.56 × 7,364.16
  4. Step 4: Simplify right side
    12,954.24x = 131,660,576.41
  5. Step 5: Solve for x
    x = 131,660,576.41/12,954.24
  6. Step 6: Final answer
    x = 10,163.51

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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.