Home / 11,378.40-17,066.64-3,586.08

Finding the Fourth Proportional to 11,378.40, 17,066.64 and 3,586.08

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Solution

The fourth proportional to 11,378.40, 17,066.64 and 3,586.08 is: 5,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.40 : 17,066.64 = 3,586.08 : x
  2. Step 2: Convert to fraction form
    11,378.40/17,066.64 = 3,586.08/x
  3. Step 3: Cross multiply
    11,378.40x = 17,066.64 × 3,586.08
  4. Step 4: Simplify right side
    11,378.40x = 61,202,336.37
  5. Step 5: Solve for x
    x = 61,202,336.37/11,378.40
  6. Step 6: Final answer
    x = 5,378.82

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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.