Home / 13,568.82-18,709.89-8,526.98

Finding the Fourth Proportional to 13,568.82, 18,709.89 and 8,526.98

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Solution

The fourth proportional to 13,568.82, 18,709.89 and 8,526.98 is: 11,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.82 : 18,709.89 = 8,526.98 : x
  2. Step 2: Convert to fraction form
    13,568.82/18,709.89 = 8,526.98/x
  3. Step 3: Cross multiply
    13,568.82x = 18,709.89 × 8,526.98
  4. Step 4: Simplify right side
    13,568.82x = 159,538,764.28
  5. Step 5: Solve for x
    x = 159,538,764.28/13,568.82
  6. Step 6: Final answer
    x = 11,757.75

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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.