Home / 18,984.18-28,466.96-11,088.68

Finding the Fourth Proportional to 18,984.18, 28,466.96 and 11,088.68

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Solution

The fourth proportional to 18,984.18, 28,466.96 and 11,088.68 is: 16,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.18 : 28,466.96 = 11,088.68 : x
  2. Step 2: Convert to fraction form
    18,984.18/28,466.96 = 11,088.68/x
  3. Step 3: Cross multiply
    18,984.18x = 28,466.96 × 11,088.68
  4. Step 4: Simplify right side
    18,984.18x = 315,661,010.01
  5. Step 5: Solve for x
    x = 315,661,010.01/18,984.18
  6. Step 6: Final answer
    x = 16,627.58

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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.