Home / 18,768.44-25,885.98-13,101.32

Finding the Fourth Proportional to 18,768.44, 25,885.98 and 13,101.32

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Solution

The fourth proportional to 18,768.44, 25,885.98 and 13,101.32 is: 18,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.44 : 25,885.98 = 13,101.32 : x
  2. Step 2: Convert to fraction form
    18,768.44/25,885.98 = 13,101.32/x
  3. Step 3: Cross multiply
    18,768.44x = 25,885.98 × 13,101.32
  4. Step 4: Simplify right side
    18,768.44x = 339,140,507.49
  5. Step 5: Solve for x
    x = 339,140,507.49/18,768.44
  6. Step 6: Final answer
    x = 18,069.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.