Home / 18,709.07-25,821.72-17,868.29

Finding the Fourth Proportional to 18,709.07, 25,821.72 and 17,868.29

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Solution

The fourth proportional to 18,709.07, 25,821.72 and 17,868.29 is: 24,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.07 : 25,821.72 = 17,868.29 : x
  2. Step 2: Convert to fraction form
    18,709.07/25,821.72 = 17,868.29/x
  3. Step 3: Cross multiply
    18,709.07x = 25,821.72 × 17,868.29
  4. Step 4: Simplify right side
    18,709.07x = 461,389,852.15
  5. Step 5: Solve for x
    x = 461,389,852.15/18,709.07
  6. Step 6: Final answer
    x = 24,661.30

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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.