Home / 13,962-19,267.60-7,993.76

Finding the Fourth Proportional to 13,962, 19,267.60 and 7,993.76

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Solution

The fourth proportional to 13,962, 19,267.60 and 7,993.76 is: 11,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962 : 19,267.60 = 7,993.76 : x
  2. Step 2: Convert to fraction form
    13,962/19,267.60 = 7,993.76/x
  3. Step 3: Cross multiply
    13,962x = 19,267.60 × 7,993.76
  4. Step 4: Simplify right side
    13,962x = 154,020,570.18
  5. Step 5: Solve for x
    x = 154,020,570.18/13,962
  6. Step 6: Final answer
    x = 11,031.41

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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.