Home / 14,639.83-21,947.43-11,859.61

Finding the Fourth Proportional to 14,639.83, 21,947.43 and 11,859.61

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Solution

The fourth proportional to 14,639.83, 21,947.43 and 11,859.61 is: 17,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.83 : 21,947.43 = 11,859.61 : x
  2. Step 2: Convert to fraction form
    14,639.83/21,947.43 = 11,859.61/x
  3. Step 3: Cross multiply
    14,639.83x = 21,947.43 × 11,859.61
  4. Step 4: Simplify right side
    14,639.83x = 260,287,960.30
  5. Step 5: Solve for x
    x = 260,287,960.30/14,639.83
  6. Step 6: Final answer
    x = 17,779.44

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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.