Home / 11,427.40-17,147.54-4,506.76

Finding the Fourth Proportional to 11,427.40, 17,147.54 and 4,506.76

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Solution

The fourth proportional to 11,427.40, 17,147.54 and 4,506.76 is: 6,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.40 : 17,147.54 = 4,506.76 : x
  2. Step 2: Convert to fraction form
    11,427.40/17,147.54 = 4,506.76/x
  3. Step 3: Cross multiply
    11,427.40x = 17,147.54 × 4,506.76
  4. Step 4: Simplify right side
    11,427.40x = 77,279,847.37
  5. Step 5: Solve for x
    x = 77,279,847.37/11,427.40
  6. Step 6: Final answer
    x = 6,762.68

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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.