Home / 11,006.58-15,189.09-5,970.80

Finding the Fourth Proportional to 11,006.58, 15,189.09 and 5,970.80

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Solution

The fourth proportional to 11,006.58, 15,189.09 and 5,970.80 is: 8,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.58 : 15,189.09 = 5,970.80 : x
  2. Step 2: Convert to fraction form
    11,006.58/15,189.09 = 5,970.80/x
  3. Step 3: Cross multiply
    11,006.58x = 15,189.09 × 5,970.80
  4. Step 4: Simplify right side
    11,006.58x = 90,690,942.63
  5. Step 5: Solve for x
    x = 90,690,942.63/11,006.58
  6. Step 6: Final answer
    x = 8,239.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.