Home / 13,889.63-20,836.61-4,527.47

Finding the Fourth Proportional to 13,889.63, 20,836.61 and 4,527.47

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Solution

The fourth proportional to 13,889.63, 20,836.61 and 4,527.47 is: 6,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.63 : 20,836.61 = 4,527.47 : x
  2. Step 2: Convert to fraction form
    13,889.63/20,836.61 = 4,527.47/x
  3. Step 3: Cross multiply
    13,889.63x = 20,836.61 × 4,527.47
  4. Step 4: Simplify right side
    13,889.63x = 94,337,126.68
  5. Step 5: Solve for x
    x = 94,337,126.68/13,889.63
  6. Step 6: Final answer
    x = 6,791.91

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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.