Home / 13,516.83-18,653.09-7,548.44

Finding the Fourth Proportional to 13,516.83, 18,653.09 and 7,548.44

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Solution

The fourth proportional to 13,516.83, 18,653.09 and 7,548.44 is: 10,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.83 : 18,653.09 = 7,548.44 : x
  2. Step 2: Convert to fraction form
    13,516.83/18,653.09 = 7,548.44/x
  3. Step 3: Cross multiply
    13,516.83x = 18,653.09 × 7,548.44
  4. Step 4: Simplify right side
    13,516.83x = 140,801,599.67
  5. Step 5: Solve for x
    x = 140,801,599.67/13,516.83
  6. Step 6: Final answer
    x = 10,416.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.