Home / 10,291.46-15,443.56-4,745.59

Finding the Fourth Proportional to 10,291.46, 15,443.56 and 4,745.59

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Solution

The fourth proportional to 10,291.46, 15,443.56 and 4,745.59 is: 7,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.46 : 15,443.56 = 4,745.59 : x
  2. Step 2: Convert to fraction form
    10,291.46/15,443.56 = 4,745.59/x
  3. Step 3: Cross multiply
    10,291.46x = 15,443.56 × 4,745.59
  4. Step 4: Simplify right side
    10,291.46x = 73,288,771.22
  5. Step 5: Solve for x
    x = 73,288,771.22/10,291.46
  6. Step 6: Final answer
    x = 7,121.32

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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.