Home / 13,558.88-20,338.72-6,537.84

Finding the Fourth Proportional to 13,558.88, 20,338.72 and 6,537.84

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Solution

The fourth proportional to 13,558.88, 20,338.72 and 6,537.84 is: 9,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.88 : 20,338.72 = 6,537.84 : x
  2. Step 2: Convert to fraction form
    13,558.88/20,338.72 = 6,537.84/x
  3. Step 3: Cross multiply
    13,558.88x = 20,338.72 × 6,537.84
  4. Step 4: Simplify right side
    13,558.88x = 132,971,297.16
  5. Step 5: Solve for x
    x = 132,971,297.16/13,558.88
  6. Step 6: Final answer
    x = 9,806.95

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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.