Home / 18,385.52-27,573.42-5,238.64

Finding the Fourth Proportional to 18,385.52, 27,573.42 and 5,238.64

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Solution

The fourth proportional to 18,385.52, 27,573.42 and 5,238.64 is: 7,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.52 : 27,573.42 = 5,238.64 : x
  2. Step 2: Convert to fraction form
    18,385.52/27,573.42 = 5,238.64/x
  3. Step 3: Cross multiply
    18,385.52x = 27,573.42 × 5,238.64
  4. Step 4: Simplify right side
    18,385.52x = 144,447,083.08
  5. Step 5: Solve for x
    x = 144,447,083.08/18,385.52
  6. Step 6: Final answer
    x = 7,856.57

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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.