Home / 11,650.04-17,477.88-5,078.12

Finding the Fourth Proportional to 11,650.04, 17,477.88 and 5,078.12

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Solution

The fourth proportional to 11,650.04, 17,477.88 and 5,078.12 is: 7,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.04 : 17,477.88 = 5,078.12 : x
  2. Step 2: Convert to fraction form
    11,650.04/17,477.88 = 5,078.12/x
  3. Step 3: Cross multiply
    11,650.04x = 17,477.88 × 5,078.12
  4. Step 4: Simplify right side
    11,650.04x = 88,754,771.99
  5. Step 5: Solve for x
    x = 88,754,771.99/11,650.04
  6. Step 6: Final answer
    x = 7,618.41

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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.