Home / 18,408.24-27,585.60-13,946.80

Finding the Fourth Proportional to 18,408.24, 27,585.60 and 13,946.80

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Solution

The fourth proportional to 18,408.24, 27,585.60 and 13,946.80 is: 20,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.24 : 27,585.60 = 13,946.80 : x
  2. Step 2: Convert to fraction form
    18,408.24/27,585.60 = 13,946.80/x
  3. Step 3: Cross multiply
    18,408.24x = 27,585.60 × 13,946.80
  4. Step 4: Simplify right side
    18,408.24x = 384,730,846.08
  5. Step 5: Solve for x
    x = 384,730,846.08/18,408.24
  6. Step 6: Final answer
    x = 20,899.93

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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.