Home / 10,052.90-13,872.89-5,576.54

Finding the Fourth Proportional to 10,052.90, 13,872.89 and 5,576.54

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Solution

The fourth proportional to 10,052.90, 13,872.89 and 5,576.54 is: 7,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,052.90 : 13,872.89 = 5,576.54 : x
  2. Step 2: Convert to fraction form
    10,052.90/13,872.89 = 5,576.54/x
  3. Step 3: Cross multiply
    10,052.90x = 13,872.89 × 5,576.54
  4. Step 4: Simplify right side
    10,052.90x = 77,362,628.75
  5. Step 5: Solve for x
    x = 77,362,628.75/10,052.90
  6. Step 6: Final answer
    x = 7,695.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.