Home / 18,983.68-28,466.21-11,088.18

Finding the Fourth Proportional to 18,983.68, 28,466.21 and 11,088.18

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Solution

The fourth proportional to 18,983.68, 28,466.21 and 11,088.18 is: 16,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.68 : 28,466.21 = 11,088.18 : x
  2. Step 2: Convert to fraction form
    18,983.68/28,466.21 = 11,088.18/x
  3. Step 3: Cross multiply
    18,983.68x = 28,466.21 × 11,088.18
  4. Step 4: Simplify right side
    18,983.68x = 315,638,460.40
  5. Step 5: Solve for x
    x = 315,638,460.40/18,983.68
  6. Step 6: Final answer
    x = 16,626.83

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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.