Home / 13,272.77-19,912.23-4,507.69

Finding the Fourth Proportional to 13,272.77, 19,912.23 and 4,507.69

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Solution

The fourth proportional to 13,272.77, 19,912.23 and 4,507.69 is: 6,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.77 : 19,912.23 = 4,507.69 : x
  2. Step 2: Convert to fraction form
    13,272.77/19,912.23 = 4,507.69/x
  3. Step 3: Cross multiply
    13,272.77x = 19,912.23 × 4,507.69
  4. Step 4: Simplify right side
    13,272.77x = 89,758,160.05
  5. Step 5: Solve for x
    x = 89,758,160.05/13,272.77
  6. Step 6: Final answer
    x = 6,762.58

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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.