Home / 26,310.93-39,465.78-12,255.81

Finding the Fourth Proportional to 26,310.93, 39,465.78 and 12,255.81

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Solution

The fourth proportional to 26,310.93, 39,465.78 and 12,255.81 is: 18,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,310.93 : 39,465.78 = 12,255.81 : x
  2. Step 2: Convert to fraction form
    26,310.93/39,465.78 = 12,255.81/x
  3. Step 3: Cross multiply
    26,310.93x = 39,465.78 × 12,255.81
  4. Step 4: Simplify right side
    26,310.93x = 483,685,101.18
  5. Step 5: Solve for x
    x = 483,685,101.18/26,310.93
  6. Step 6: Final answer
    x = 18,383.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.