Home / 11,880.16-17,820.36-3,558.22

Finding the Fourth Proportional to 11,880.16, 17,820.36 and 3,558.22

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Solution

The fourth proportional to 11,880.16, 17,820.36 and 3,558.22 is: 5,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.16 : 17,820.36 = 3,558.22 : x
  2. Step 2: Convert to fraction form
    11,880.16/17,820.36 = 3,558.22/x
  3. Step 3: Cross multiply
    11,880.16x = 17,820.36 × 3,558.22
  4. Step 4: Simplify right side
    11,880.16x = 63,408,761.36
  5. Step 5: Solve for x
    x = 63,408,761.36/11,880.16
  6. Step 6: Final answer
    x = 5,337.37

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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.