Home / 13,528.82-20,260.43-9,357.12

Finding the Fourth Proportional to 13,528.82, 20,260.43 and 9,357.12

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Solution

The fourth proportional to 13,528.82, 20,260.43 and 9,357.12 is: 14,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.82 : 20,260.43 = 9,357.12 : x
  2. Step 2: Convert to fraction form
    13,528.82/20,260.43 = 9,357.12/x
  3. Step 3: Cross multiply
    13,528.82x = 20,260.43 × 9,357.12
  4. Step 4: Simplify right side
    13,528.82x = 189,579,227.98
  5. Step 5: Solve for x
    x = 189,579,227.98/13,528.82
  6. Step 6: Final answer
    x = 14,012.99

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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.