Home / 13,529.69-18,676.19-12,110.87

Finding the Fourth Proportional to 13,529.69, 18,676.19 and 12,110.87

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Solution

The fourth proportional to 13,529.69, 18,676.19 and 12,110.87 is: 16,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.69 : 18,676.19 = 12,110.87 : x
  2. Step 2: Convert to fraction form
    13,529.69/18,676.19 = 12,110.87/x
  3. Step 3: Cross multiply
    13,529.69x = 18,676.19 × 12,110.87
  4. Step 4: Simplify right side
    13,529.69x = 226,184,755.25
  5. Step 5: Solve for x
    x = 226,184,755.25/13,529.69
  6. Step 6: Final answer
    x = 16,717.67

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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.