Home / 11,459.37-17,189.97-4,885.62

Finding the Fourth Proportional to 11,459.37, 17,189.97 and 4,885.62

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Solution

The fourth proportional to 11,459.37, 17,189.97 and 4,885.62 is: 7,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.37 : 17,189.97 = 4,885.62 : x
  2. Step 2: Convert to fraction form
    11,459.37/17,189.97 = 4,885.62/x
  3. Step 3: Cross multiply
    11,459.37x = 17,189.97 × 4,885.62
  4. Step 4: Simplify right side
    11,459.37x = 83,983,605.93
  5. Step 5: Solve for x
    x = 83,983,605.93/11,459.37
  6. Step 6: Final answer
    x = 7,328.81

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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.