Home / 18,942.04-26,145.75-10,986.22

Finding the Fourth Proportional to 18,942.04, 26,145.75 and 10,986.22

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Solution

The fourth proportional to 18,942.04, 26,145.75 and 10,986.22 is: 15,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.04 : 26,145.75 = 10,986.22 : x
  2. Step 2: Convert to fraction form
    18,942.04/26,145.75 = 10,986.22/x
  3. Step 3: Cross multiply
    18,942.04x = 26,145.75 × 10,986.22
  4. Step 4: Simplify right side
    18,942.04x = 287,242,961.57
  5. Step 5: Solve for x
    x = 287,242,961.57/18,942.04
  6. Step 6: Final answer
    x = 15,164.31

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1.5x scale

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.