Home / 11,239.97-16,860.56-4,666.82

Finding the Fourth Proportional to 11,239.97, 16,860.56 and 4,666.82

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Solution

The fourth proportional to 11,239.97, 16,860.56 and 4,666.82 is: 7,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.97 : 16,860.56 = 4,666.82 : x
  2. Step 2: Convert to fraction form
    11,239.97/16,860.56 = 4,666.82/x
  3. Step 3: Cross multiply
    11,239.97x = 16,860.56 × 4,666.82
  4. Step 4: Simplify right side
    11,239.97x = 78,685,090.98
  5. Step 5: Solve for x
    x = 78,685,090.98/11,239.97
  6. Step 6: Final answer
    x = 7,000.47

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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.