Home / 13,961.08-19,266.42-7,992.46

Finding the Fourth Proportional to 13,961.08, 19,266.42 and 7,992.46

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Solution

The fourth proportional to 13,961.08, 19,266.42 and 7,992.46 is: 11,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.08 : 19,266.42 = 7,992.46 : x
  2. Step 2: Convert to fraction form
    13,961.08/19,266.42 = 7,992.46/x
  3. Step 3: Cross multiply
    13,961.08x = 19,266.42 × 7,992.46
  4. Step 4: Simplify right side
    13,961.08x = 153,986,091.19
  5. Step 5: Solve for x
    x = 153,986,091.19/13,961.08
  6. Step 6: Final answer
    x = 11,029.67

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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.