Home / 12,846.45-19,272.90-3,612.45

Finding the Fourth Proportional to 12,846.45, 19,272.90 and 3,612.45

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Solution

The fourth proportional to 12,846.45, 19,272.90 and 3,612.45 is: 5,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.45 : 19,272.90 = 3,612.45 : x
  2. Step 2: Convert to fraction form
    12,846.45/19,272.90 = 3,612.45/x
  3. Step 3: Cross multiply
    12,846.45x = 19,272.90 × 3,612.45
  4. Step 4: Simplify right side
    12,846.45x = 69,622,291.24
  5. Step 5: Solve for x
    x = 69,622,291.24/12,846.45
  6. Step 6: Final answer
    x = 5,419.58

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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.