Home / 26,196.93-39,264.01-12,137.90

Finding the Fourth Proportional to 26,196.93, 39,264.01 and 12,137.90

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Solution

The fourth proportional to 26,196.93, 39,264.01 and 12,137.90 is: 18,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,196.93 : 39,264.01 = 12,137.90 : x
  2. Step 2: Convert to fraction form
    26,196.93/39,264.01 = 12,137.90/x
  3. Step 3: Cross multiply
    26,196.93x = 39,264.01 × 12,137.90
  4. Step 4: Simplify right side
    26,196.93x = 476,582,400.31
  5. Step 5: Solve for x
    x = 476,582,400.31/26,196.93
  6. Step 6: Final answer
    x = 18,192.30

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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.