Home / 19,364.06-26,720.75-10,865.03

Finding the Fourth Proportional to 19,364.06, 26,720.75 and 10,865.03

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Solution

The fourth proportional to 19,364.06, 26,720.75 and 10,865.03 is: 14,992.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.06 : 26,720.75 = 10,865.03 : x
  2. Step 2: Convert to fraction form
    19,364.06/26,720.75 = 10,865.03/x
  3. Step 3: Cross multiply
    19,364.06x = 26,720.75 × 10,865.03
  4. Step 4: Simplify right side
    19,364.06x = 290,321,643.93
  5. Step 5: Solve for x
    x = 290,321,643.93/19,364.06
  6. Step 6: Final answer
    x = 14,992.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.