Home / 13,576.64-20,358.50-5,260.54

Finding the Fourth Proportional to 13,576.64, 20,358.50 and 5,260.54

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Solution

The fourth proportional to 13,576.64, 20,358.50 and 5,260.54 is: 7,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.64 : 20,358.50 = 5,260.54 : x
  2. Step 2: Convert to fraction form
    13,576.64/20,358.50 = 5,260.54/x
  3. Step 3: Cross multiply
    13,576.64x = 20,358.50 × 5,260.54
  4. Step 4: Simplify right side
    13,576.64x = 107,096,703.59
  5. Step 5: Solve for x
    x = 107,096,703.59/13,576.64
  6. Step 6: Final answer
    x = 7,888.31

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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.