Home / 18,902.26-26,085.21-10,405.23

Finding the Fourth Proportional to 18,902.26, 26,085.21 and 10,405.23

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Solution

The fourth proportional to 18,902.26, 26,085.21 and 10,405.23 is: 14,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.26 : 26,085.21 = 10,405.23 : x
  2. Step 2: Convert to fraction form
    18,902.26/26,085.21 = 10,405.23/x
  3. Step 3: Cross multiply
    18,902.26x = 26,085.21 × 10,405.23
  4. Step 4: Simplify right side
    18,902.26x = 271,422,780.70
  5. Step 5: Solve for x
    x = 271,422,780.70/18,902.26
  6. Step 6: Final answer
    x = 14,359.28

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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.