Home / 17,643.96-26,437.32-12,078.36

Finding the Fourth Proportional to 17,643.96, 26,437.32 and 12,078.36

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Solution

The fourth proportional to 17,643.96, 26,437.32 and 12,078.36 is: 18,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.96 : 26,437.32 = 12,078.36 : x
  2. Step 2: Convert to fraction form
    17,643.96/26,437.32 = 12,078.36/x
  3. Step 3: Cross multiply
    17,643.96x = 26,437.32 × 12,078.36
  4. Step 4: Simplify right side
    17,643.96x = 319,319,468.40
  5. Step 5: Solve for x
    x = 319,319,468.40/17,643.96
  6. Step 6: Final answer
    x = 18,097.95

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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.