Home / 11,536.09-15,919.79-6,230.90

Finding the Fourth Proportional to 11,536.09, 15,919.79 and 6,230.90

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Solution

The fourth proportional to 11,536.09, 15,919.79 and 6,230.90 is: 8,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,536.09 : 15,919.79 = 6,230.90 : x
  2. Step 2: Convert to fraction form
    11,536.09/15,919.79 = 6,230.90/x
  3. Step 3: Cross multiply
    11,536.09x = 15,919.79 × 6,230.90
  4. Step 4: Simplify right side
    11,536.09x = 99,194,619.51
  5. Step 5: Solve for x
    x = 99,194,619.51/11,536.09
  6. Step 6: Final answer
    x = 8,598.64

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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.