Home / 13,526.51-20,272.19-5,511.92

Finding the Fourth Proportional to 13,526.51, 20,272.19 and 5,511.92

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Solution

The fourth proportional to 13,526.51, 20,272.19 and 5,511.92 is: 8,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.51 : 20,272.19 = 5,511.92 : x
  2. Step 2: Convert to fraction form
    13,526.51/20,272.19 = 5,511.92/x
  3. Step 3: Cross multiply
    13,526.51x = 20,272.19 × 5,511.92
  4. Step 4: Simplify right side
    13,526.51x = 111,738,560.58
  5. Step 5: Solve for x
    x = 111,738,560.58/13,526.51
  6. Step 6: Final answer
    x = 8,260.71

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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.