Home / 11,962.32-17,941.36-3,640.32

Finding the Fourth Proportional to 11,962.32, 17,941.36 and 3,640.32

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Solution

The fourth proportional to 11,962.32, 17,941.36 and 3,640.32 is: 5,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.32 : 17,941.36 = 3,640.32 : x
  2. Step 2: Convert to fraction form
    11,962.32/17,941.36 = 3,640.32/x
  3. Step 3: Cross multiply
    11,962.32x = 17,941.36 × 3,640.32
  4. Step 4: Simplify right side
    11,962.32x = 65,312,291.64
  5. Step 5: Solve for x
    x = 65,312,291.64/11,962.32
  6. Step 6: Final answer
    x = 5,459.83

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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.