Home / 26,171.36-39,261.43-12,125.64

Finding the Fourth Proportional to 26,171.36, 39,261.43 and 12,125.64

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Solution

The fourth proportional to 26,171.36, 39,261.43 and 12,125.64 is: 18,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,171.36 : 39,261.43 = 12,125.64 : x
  2. Step 2: Convert to fraction form
    26,171.36/39,261.43 = 12,125.64/x
  3. Step 3: Cross multiply
    26,171.36x = 39,261.43 × 12,125.64
  4. Step 4: Simplify right side
    26,171.36x = 476,069,966.07
  5. Step 5: Solve for x
    x = 476,069,966.07/26,171.36
  6. Step 6: Final answer
    x = 18,190.50

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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.