Home / 10,291.78-14,202.67-5,576.06

Finding the Fourth Proportional to 10,291.78, 14,202.67 and 5,576.06

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Solution

The fourth proportional to 10,291.78, 14,202.67 and 5,576.06 is: 7,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.78 : 14,202.67 = 5,576.06 : x
  2. Step 2: Convert to fraction form
    10,291.78/14,202.67 = 5,576.06/x
  3. Step 3: Cross multiply
    10,291.78x = 14,202.67 × 5,576.06
  4. Step 4: Simplify right side
    10,291.78x = 79,194,989.53
  5. Step 5: Solve for x
    x = 79,194,989.53/10,291.78
  6. Step 6: Final answer
    x = 7,694.97

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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.