Home / 13,274.21-19,913.52-4,391.66

Finding the Fourth Proportional to 13,274.21, 19,913.52 and 4,391.66

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Solution

The fourth proportional to 13,274.21, 19,913.52 and 4,391.66 is: 6,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.21 : 19,913.52 = 4,391.66 : x
  2. Step 2: Convert to fraction form
    13,274.21/19,913.52 = 4,391.66/x
  3. Step 3: Cross multiply
    13,274.21x = 19,913.52 × 4,391.66
  4. Step 4: Simplify right side
    13,274.21x = 87,453,409.24
  5. Step 5: Solve for x
    x = 87,453,409.24/13,274.21
  6. Step 6: Final answer
    x = 6,588.22

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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.