Home / 18,515.12-27,775.56-6,032.24

Finding the Fourth Proportional to 18,515.12, 27,775.56 and 6,032.24

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Solution

The fourth proportional to 18,515.12, 27,775.56 and 6,032.24 is: 9,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.12 : 27,775.56 = 6,032.24 : x
  2. Step 2: Convert to fraction form
    18,515.12/27,775.56 = 6,032.24/x
  3. Step 3: Cross multiply
    18,515.12x = 27,775.56 × 6,032.24
  4. Step 4: Simplify right side
    18,515.12x = 167,548,814.99
  5. Step 5: Solve for x
    x = 167,548,814.99/18,515.12
  6. Step 6: Final answer
    x = 9,049.30

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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.