Home / 17,619.90-26,429.51-4,292.97

Finding the Fourth Proportional to 17,619.90, 26,429.51 and 4,292.97

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Solution

The fourth proportional to 17,619.90, 26,429.51 and 4,292.97 is: 6,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.90 : 26,429.51 = 4,292.97 : x
  2. Step 2: Convert to fraction form
    17,619.90/26,429.51 = 4,292.97/x
  3. Step 3: Cross multiply
    17,619.90x = 26,429.51 × 4,292.97
  4. Step 4: Simplify right side
    17,619.90x = 113,461,072.08
  5. Step 5: Solve for x
    x = 113,461,072.08/17,619.90
  6. Step 6: Final answer
    x = 6,439.37

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1.5x scale

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.