Home / 13,647.24-20,480.26-4,762.65

Finding the Fourth Proportional to 13,647.24, 20,480.26 and 4,762.65

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Solution

The fourth proportional to 13,647.24, 20,480.26 and 4,762.65 is: 7,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647.24 : 20,480.26 = 4,762.65 : x
  2. Step 2: Convert to fraction form
    13,647.24/20,480.26 = 4,762.65/x
  3. Step 3: Cross multiply
    13,647.24x = 20,480.26 × 4,762.65
  4. Step 4: Simplify right side
    13,647.24x = 97,540,310.29
  5. Step 5: Solve for x
    x = 97,540,310.29/13,647.24
  6. Step 6: Final answer
    x = 7,147.26

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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.