Home / 26,138.81-39,186.17-11,336.58

Finding the Fourth Proportional to 26,138.81, 39,186.17 and 11,336.58

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Solution

The fourth proportional to 26,138.81, 39,186.17 and 11,336.58 is: 16,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.81 : 39,186.17 = 11,336.58 : x
  2. Step 2: Convert to fraction form
    26,138.81/39,186.17 = 11,336.58/x
  3. Step 3: Cross multiply
    26,138.81x = 39,186.17 × 11,336.58
  4. Step 4: Simplify right side
    26,138.81x = 444,237,178.95
  5. Step 5: Solve for x
    x = 444,237,178.95/26,138.81
  6. Step 6: Final answer
    x = 16,995.31

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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.