Home / 26,106.94-39,126.86-11,865

Finding the Fourth Proportional to 26,106.94, 39,126.86 and 11,865

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Solution

The fourth proportional to 26,106.94, 39,126.86 and 11,865 is: 17,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106.94 : 39,126.86 = 11,865 : x
  2. Step 2: Convert to fraction form
    26,106.94/39,126.86 = 11,865/x
  3. Step 3: Cross multiply
    26,106.94x = 39,126.86 × 11,865
  4. Step 4: Simplify right side
    26,106.94x = 464,240,193.90
  5. Step 5: Solve for x
    x = 464,240,193.90/26,106.94
  6. Step 6: Final answer
    x = 17,782.25

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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.