Home / 18,383.83-25,370.93-10,426.56

Finding the Fourth Proportional to 18,383.83, 25,370.93 and 10,426.56

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Solution

The fourth proportional to 18,383.83, 25,370.93 and 10,426.56 is: 14,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.83 : 25,370.93 = 10,426.56 : x
  2. Step 2: Convert to fraction form
    18,383.83/25,370.93 = 10,426.56/x
  3. Step 3: Cross multiply
    18,383.83x = 25,370.93 × 10,426.56
  4. Step 4: Simplify right side
    18,383.83x = 264,531,523.90
  5. Step 5: Solve for x
    x = 264,531,523.90/18,383.83
  6. Step 6: Final answer
    x = 14,389.36

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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.