Home / 13,448.90-20,183.80-9,317.86

Finding the Fourth Proportional to 13,448.90, 20,183.80 and 9,317.86

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Solution

The fourth proportional to 13,448.90, 20,183.80 and 9,317.86 is: 13,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.90 : 20,183.80 = 9,317.86 : x
  2. Step 2: Convert to fraction form
    13,448.90/20,183.80 = 9,317.86/x
  3. Step 3: Cross multiply
    13,448.90x = 20,183.80 × 9,317.86
  4. Step 4: Simplify right side
    13,448.90x = 188,069,822.67
  5. Step 5: Solve for x
    x = 188,069,822.67/13,448.90
  6. Step 6: Final answer
    x = 13,984.03

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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.