Home / 16,765.03-25,143.36-5,078.08

Finding the Fourth Proportional to 16,765.03, 25,143.36 and 5,078.08

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Solution

The fourth proportional to 16,765.03, 25,143.36 and 5,078.08 is: 7,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.03 : 25,143.36 = 5,078.08 : x
  2. Step 2: Convert to fraction form
    16,765.03/25,143.36 = 5,078.08/x
  3. Step 3: Cross multiply
    16,765.03x = 25,143.36 × 5,078.08
  4. Step 4: Simplify right side
    16,765.03x = 127,679,993.55
  5. Step 5: Solve for x
    x = 127,679,993.55/16,765.03
  6. Step 6: Final answer
    x = 7,615.85

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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.