Home / 17,639.87-26,453.14-7,106.32

Finding the Fourth Proportional to 17,639.87, 26,453.14 and 7,106.32

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Solution

The fourth proportional to 17,639.87, 26,453.14 and 7,106.32 is: 10,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.87 : 26,453.14 = 7,106.32 : x
  2. Step 2: Convert to fraction form
    17,639.87/26,453.14 = 7,106.32/x
  3. Step 3: Cross multiply
    17,639.87x = 26,453.14 × 7,106.32
  4. Step 4: Simplify right side
    17,639.87x = 187,984,393.95
  5. Step 5: Solve for x
    x = 187,984,393.95/17,639.87
  6. Step 6: Final answer
    x = 10,656.79

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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.