Home / 13,576.47-20,359.71-4,689.54

Finding the Fourth Proportional to 13,576.47, 20,359.71 and 4,689.54

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Solution

The fourth proportional to 13,576.47, 20,359.71 and 4,689.54 is: 7,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.47 : 20,359.71 = 4,689.54 : x
  2. Step 2: Convert to fraction form
    13,576.47/20,359.71 = 4,689.54/x
  3. Step 3: Cross multiply
    13,576.47x = 20,359.71 × 4,689.54
  4. Step 4: Simplify right side
    13,576.47x = 95,477,674.43
  5. Step 5: Solve for x
    x = 95,477,674.43/13,576.47
  6. Step 6: Final answer
    x = 7,032.58

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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.