Home / 11,459.34-17,191.44-3,561.66

Finding the Fourth Proportional to 11,459.34, 17,191.44 and 3,561.66

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Solution

The fourth proportional to 11,459.34, 17,191.44 and 3,561.66 is: 5,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.34 : 17,191.44 = 3,561.66 : x
  2. Step 2: Convert to fraction form
    11,459.34/17,191.44 = 3,561.66/x
  3. Step 3: Cross multiply
    11,459.34x = 17,191.44 × 3,561.66
  4. Step 4: Simplify right side
    11,459.34x = 61,230,064.19
  5. Step 5: Solve for x
    x = 61,230,064.19/11,459.34
  6. Step 6: Final answer
    x = 5,343.25

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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.