Home / 11,606.44-16,020.30-7,070.80

Finding the Fourth Proportional to 11,606.44, 16,020.30 and 7,070.80

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Solution

The fourth proportional to 11,606.44, 16,020.30 and 7,070.80 is: 9,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,606.44 : 16,020.30 = 7,070.80 : x
  2. Step 2: Convert to fraction form
    11,606.44/16,020.30 = 7,070.80/x
  3. Step 3: Cross multiply
    11,606.44x = 16,020.30 × 7,070.80
  4. Step 4: Simplify right side
    11,606.44x = 113,276,337.24
  5. Step 5: Solve for x
    x = 113,276,337.24/11,606.44
  6. Step 6: Final answer
    x = 9,759.78

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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.