Home / 17,951.26-26,886.79-13,009.55

Finding the Fourth Proportional to 17,951.26, 26,886.79 and 13,009.55

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Solution

The fourth proportional to 17,951.26, 26,886.79 and 13,009.55 is: 19,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.26 : 26,886.79 = 13,009.55 : x
  2. Step 2: Convert to fraction form
    17,951.26/26,886.79 = 13,009.55/x
  3. Step 3: Cross multiply
    17,951.26x = 26,886.79 × 13,009.55
  4. Step 4: Simplify right side
    17,951.26x = 349,784,922.30
  5. Step 5: Solve for x
    x = 349,784,922.30/17,951.26
  6. Step 6: Final answer
    x = 19,485.26

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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.