Home / 11,459.81-17,186.12-4,439.34

Finding the Fourth Proportional to 11,459.81, 17,186.12 and 4,439.34

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Solution

The fourth proportional to 11,459.81, 17,186.12 and 4,439.34 is: 6,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.81 : 17,186.12 = 4,439.34 : x
  2. Step 2: Convert to fraction form
    11,459.81/17,186.12 = 4,439.34/x
  3. Step 3: Cross multiply
    11,459.81x = 17,186.12 × 4,439.34
  4. Step 4: Simplify right side
    11,459.81x = 76,295,029.96
  5. Step 5: Solve for x
    x = 76,295,029.96/11,459.81
  6. Step 6: Final answer
    x = 6,657.62

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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.