Home / 13,516.52-18,651.92-7,548.75

Finding the Fourth Proportional to 13,516.52, 18,651.92 and 7,548.75

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Solution

The fourth proportional to 13,516.52, 18,651.92 and 7,548.75 is: 10,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.52 : 18,651.92 = 7,548.75 : x
  2. Step 2: Convert to fraction form
    13,516.52/18,651.92 = 7,548.75/x
  3. Step 3: Cross multiply
    13,516.52x = 18,651.92 × 7,548.75
  4. Step 4: Simplify right side
    13,516.52x = 140,798,643.36
  5. Step 5: Solve for x
    x = 140,798,643.36/13,516.52
  6. Step 6: Final answer
    x = 10,416.79

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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.