Home / 12,577.36-18,866.04-3,813.16

Finding the Fourth Proportional to 12,577.36, 18,866.04 and 3,813.16

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Solution

The fourth proportional to 12,577.36, 18,866.04 and 3,813.16 is: 5,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.36 : 18,866.04 = 3,813.16 : x
  2. Step 2: Convert to fraction form
    12,577.36/18,866.04 = 3,813.16/x
  3. Step 3: Cross multiply
    12,577.36x = 18,866.04 × 3,813.16
  4. Step 4: Simplify right side
    12,577.36x = 71,939,229.09
  5. Step 5: Solve for x
    x = 71,939,229.09/12,577.36
  6. Step 6: Final answer
    x = 5,719.74

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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.