Home / 18,653.25-25,741.68-10,269.75

Finding the Fourth Proportional to 18,653.25, 25,741.68 and 10,269.75

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Solution

The fourth proportional to 18,653.25, 25,741.68 and 10,269.75 is: 14,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.25 : 25,741.68 = 10,269.75 : x
  2. Step 2: Convert to fraction form
    18,653.25/25,741.68 = 10,269.75/x
  3. Step 3: Cross multiply
    18,653.25x = 25,741.68 × 10,269.75
  4. Step 4: Simplify right side
    18,653.25x = 264,360,618.18
  5. Step 5: Solve for x
    x = 264,360,618.18/18,653.25
  6. Step 6: Final answer
    x = 14,172.36

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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.