Home / 13,403.03-20,099.88-5,503.30

Finding the Fourth Proportional to 13,403.03, 20,099.88 and 5,503.30

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Solution

The fourth proportional to 13,403.03, 20,099.88 and 5,503.30 is: 8,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.03 : 20,099.88 = 5,503.30 : x
  2. Step 2: Convert to fraction form
    13,403.03/20,099.88 = 5,503.30/x
  3. Step 3: Cross multiply
    13,403.03x = 20,099.88 × 5,503.30
  4. Step 4: Simplify right side
    13,403.03x = 110,615,619.35
  5. Step 5: Solve for x
    x = 110,615,619.35/13,403.03
  6. Step 6: Final answer
    x = 8,253.03

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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.