Home / 13,191.98-19,749.66-9,238.34

Finding the Fourth Proportional to 13,191.98, 19,749.66 and 9,238.34

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Solution

The fourth proportional to 13,191.98, 19,749.66 and 9,238.34 is: 13,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191.98 : 19,749.66 = 9,238.34 : x
  2. Step 2: Convert to fraction form
    13,191.98/19,749.66 = 9,238.34/x
  3. Step 3: Cross multiply
    13,191.98x = 19,749.66 × 9,238.34
  4. Step 4: Simplify right side
    13,191.98x = 182,454,073.96
  5. Step 5: Solve for x
    x = 182,454,073.96/13,191.98
  6. Step 6: Final answer
    x = 13,830.68

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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.