Home / 12,354.03-18,525.44-5,330.72

Finding the Fourth Proportional to 12,354.03, 18,525.44 and 5,330.72

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Solution

The fourth proportional to 12,354.03, 18,525.44 and 5,330.72 is: 7,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.03 : 18,525.44 = 5,330.72 : x
  2. Step 2: Convert to fraction form
    12,354.03/18,525.44 = 5,330.72/x
  3. Step 3: Cross multiply
    12,354.03x = 18,525.44 × 5,330.72
  4. Step 4: Simplify right side
    12,354.03x = 98,753,814.24
  5. Step 5: Solve for x
    x = 98,753,814.24/12,354.03
  6. Step 6: Final answer
    x = 7,993.65

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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.