Home / 12,742.08-19,114.08-3,508

Finding the Fourth Proportional to 12,742.08, 19,114.08 and 3,508

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Solution

The fourth proportional to 12,742.08, 19,114.08 and 3,508 is: 5,262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742.08 : 19,114.08 = 3,508 : x
  2. Step 2: Convert to fraction form
    12,742.08/19,114.08 = 3,508/x
  3. Step 3: Cross multiply
    12,742.08x = 19,114.08 × 3,508
  4. Step 4: Simplify right side
    12,742.08x = 67,052,192.64
  5. Step 5: Solve for x
    x = 67,052,192.64/12,742.08
  6. Step 6: Final answer
    x = 5,262.26

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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.