Home / 11,536.51-15,920.73-6,500.80

Finding the Fourth Proportional to 11,536.51, 15,920.73 and 6,500.80

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Solution

The fourth proportional to 11,536.51, 15,920.73 and 6,500.80 is: 8,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,536.51 : 15,920.73 = 6,500.80 : x
  2. Step 2: Convert to fraction form
    11,536.51/15,920.73 = 6,500.80/x
  3. Step 3: Cross multiply
    11,536.51x = 15,920.73 × 6,500.80
  4. Step 4: Simplify right side
    11,536.51x = 103,497,481.58
  5. Step 5: Solve for x
    x = 103,497,481.58/11,536.51
  6. Step 6: Final answer
    x = 8,971.30

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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.