Home / 12,579.24-18,852.58-5,175.32

Finding the Fourth Proportional to 12,579.24, 18,852.58 and 5,175.32

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Solution

The fourth proportional to 12,579.24, 18,852.58 and 5,175.32 is: 7,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.24 : 18,852.58 = 5,175.32 : x
  2. Step 2: Convert to fraction form
    12,579.24/18,852.58 = 5,175.32/x
  3. Step 3: Cross multiply
    12,579.24x = 18,852.58 × 5,175.32
  4. Step 4: Simplify right side
    12,579.24x = 97,568,134.33
  5. Step 5: Solve for x
    x = 97,568,134.33/12,579.24
  6. Step 6: Final answer
    x = 7,756.28

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1.5x scale

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.