Home / 11,905.37-17,860.48-3,585.35

Finding the Fourth Proportional to 11,905.37, 17,860.48 and 3,585.35

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Solution

The fourth proportional to 11,905.37, 17,860.48 and 3,585.35 is: 5,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.37 : 17,860.48 = 3,585.35 : x
  2. Step 2: Convert to fraction form
    11,905.37/17,860.48 = 3,585.35/x
  3. Step 3: Cross multiply
    11,905.37x = 17,860.48 × 3,585.35
  4. Step 4: Simplify right side
    11,905.37x = 64,036,071.97
  5. Step 5: Solve for x
    x = 64,036,071.97/11,905.37
  6. Step 6: Final answer
    x = 5,378.76

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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.