Home / 14,639.95-21,947.62-11,859.73

Finding the Fourth Proportional to 14,639.95, 21,947.62 and 11,859.73

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Solution

The fourth proportional to 14,639.95, 21,947.62 and 11,859.73 is: 17,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.95 : 21,947.62 = 11,859.73 : x
  2. Step 2: Convert to fraction form
    14,639.95/21,947.62 = 11,859.73/x
  3. Step 3: Cross multiply
    14,639.95x = 21,947.62 × 11,859.73
  4. Step 4: Simplify right side
    14,639.95x = 260,292,847.34
  5. Step 5: Solve for x
    x = 260,292,847.34/14,639.95
  6. Step 6: Final answer
    x = 17,779.63

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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.