Home / 13,500.53-18,616.60-11,618.49

Finding the Fourth Proportional to 13,500.53, 18,616.60 and 11,618.49

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Solution

The fourth proportional to 13,500.53, 18,616.60 and 11,618.49 is: 16,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.53 : 18,616.60 = 11,618.49 : x
  2. Step 2: Convert to fraction form
    13,500.53/18,616.60 = 11,618.49/x
  3. Step 3: Cross multiply
    13,500.53x = 18,616.60 × 11,618.49
  4. Step 4: Simplify right side
    13,500.53x = 216,296,780.93
  5. Step 5: Solve for x
    x = 216,296,780.93/13,500.53
  6. Step 6: Final answer
    x = 16,021.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.