Home / 18,741.77-25,863.34-10,243.79

Finding the Fourth Proportional to 18,741.77, 25,863.34 and 10,243.79

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Solution

The fourth proportional to 18,741.77, 25,863.34 and 10,243.79 is: 14,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.77 : 25,863.34 = 10,243.79 : x
  2. Step 2: Convert to fraction form
    18,741.77/25,863.34 = 10,243.79/x
  3. Step 3: Cross multiply
    18,741.77x = 25,863.34 × 10,243.79
  4. Step 4: Simplify right side
    18,741.77x = 264,938,598.05
  5. Step 5: Solve for x
    x = 264,938,598.05/18,741.77
  6. Step 6: Final answer
    x = 14,136.26

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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.