Home / 18,355.26-25,324.23-10,287.74

Finding the Fourth Proportional to 18,355.26, 25,324.23 and 10,287.74

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Solution

The fourth proportional to 18,355.26, 25,324.23 and 10,287.74 is: 14,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.26 : 25,324.23 = 10,287.74 : x
  2. Step 2: Convert to fraction form
    18,355.26/25,324.23 = 10,287.74/x
  3. Step 3: Cross multiply
    18,355.26x = 25,324.23 × 10,287.74
  4. Step 4: Simplify right side
    18,355.26x = 260,529,093.94
  5. Step 5: Solve for x
    x = 260,529,093.94/18,355.26
  6. Step 6: Final answer
    x = 14,193.70

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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.