Home / 11,611.53-17,423.45-5,042.33

Finding the Fourth Proportional to 11,611.53, 17,423.45 and 5,042.33

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Solution

The fourth proportional to 11,611.53, 17,423.45 and 5,042.33 is: 7,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.53 : 17,423.45 = 5,042.33 : x
  2. Step 2: Convert to fraction form
    11,611.53/17,423.45 = 5,042.33/x
  3. Step 3: Cross multiply
    11,611.53x = 17,423.45 × 5,042.33
  4. Step 4: Simplify right side
    11,611.53x = 87,854,784.64
  5. Step 5: Solve for x
    x = 87,854,784.64/11,611.53
  6. Step 6: Final answer
    x = 7,566.17

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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.