Home / 13,516.65-20,277.72-4,757.76

Finding the Fourth Proportional to 13,516.65, 20,277.72 and 4,757.76

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Solution

The fourth proportional to 13,516.65, 20,277.72 and 4,757.76 is: 7,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.65 : 20,277.72 = 4,757.76 : x
  2. Step 2: Convert to fraction form
    13,516.65/20,277.72 = 4,757.76/x
  3. Step 3: Cross multiply
    13,516.65x = 20,277.72 × 4,757.76
  4. Step 4: Simplify right side
    13,516.65x = 96,476,525.11
  5. Step 5: Solve for x
    x = 96,476,525.11/13,516.65
  6. Step 6: Final answer
    x = 7,137.61

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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.