Home / 18,383.27-25,367.45-10,426.77

Finding the Fourth Proportional to 18,383.27, 25,367.45 and 10,426.77

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Solution

The fourth proportional to 18,383.27, 25,367.45 and 10,426.77 is: 14,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.27 : 25,367.45 = 10,426.77 : x
  2. Step 2: Convert to fraction form
    18,383.27/25,367.45 = 10,426.77/x
  3. Step 3: Cross multiply
    18,383.27x = 25,367.45 × 10,426.77
  4. Step 4: Simplify right side
    18,383.27x = 264,500,514.50
  5. Step 5: Solve for x
    x = 264,500,514.50/18,383.27
  6. Step 6: Final answer
    x = 14,388.11

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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.