Home / 13,115.42-19,673.03-3,755.67

Finding the Fourth Proportional to 13,115.42, 19,673.03 and 3,755.67

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Solution

The fourth proportional to 13,115.42, 19,673.03 and 3,755.67 is: 5,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115.42 : 19,673.03 = 3,755.67 : x
  2. Step 2: Convert to fraction form
    13,115.42/19,673.03 = 3,755.67/x
  3. Step 3: Cross multiply
    13,115.42x = 19,673.03 × 3,755.67
  4. Step 4: Simplify right side
    13,115.42x = 73,885,417.97
  5. Step 5: Solve for x
    x = 73,885,417.97/13,115.42
  6. Step 6: Final answer
    x = 5,633.48

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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.