Home / 18,910.22-28,365.33-5,762.60

Finding the Fourth Proportional to 18,910.22, 28,365.33 and 5,762.60

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Solution

The fourth proportional to 18,910.22, 28,365.33 and 5,762.60 is: 8,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.22 : 28,365.33 = 5,762.60 : x
  2. Step 2: Convert to fraction form
    18,910.22/28,365.33 = 5,762.60/x
  3. Step 3: Cross multiply
    18,910.22x = 28,365.33 × 5,762.60
  4. Step 4: Simplify right side
    18,910.22x = 163,457,880.02
  5. Step 5: Solve for x
    x = 163,457,880.02/18,910.22
  6. Step 6: Final answer
    x = 8,643.89

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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.