Home / 18,284.45-27,421.07-7,754.28

Finding the Fourth Proportional to 18,284.45, 27,421.07 and 7,754.28

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Solution

The fourth proportional to 18,284.45, 27,421.07 and 7,754.28 is: 11,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.45 : 27,421.07 = 7,754.28 : x
  2. Step 2: Convert to fraction form
    18,284.45/27,421.07 = 7,754.28/x
  3. Step 3: Cross multiply
    18,284.45x = 27,421.07 × 7,754.28
  4. Step 4: Simplify right side
    18,284.45x = 212,630,615.91
  5. Step 5: Solve for x
    x = 212,630,615.91/18,284.45
  6. Step 6: Final answer
    x = 11,629.04

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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.