Home / 18,302.55-27,455.69-4,975.75

Finding the Fourth Proportional to 18,302.55, 27,455.69 and 4,975.75

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Solution

The fourth proportional to 18,302.55, 27,455.69 and 4,975.75 is: 7,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.55 : 27,455.69 = 4,975.75 : x
  2. Step 2: Convert to fraction form
    18,302.55/27,455.69 = 4,975.75/x
  3. Step 3: Cross multiply
    18,302.55x = 27,455.69 × 4,975.75
  4. Step 4: Simplify right side
    18,302.55x = 136,612,649.52
  5. Step 5: Solve for x
    x = 136,612,649.52/18,302.55
  6. Step 6: Final answer
    x = 7,464.13

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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.