Home / 11,464.27-15,823.51-6,990.49

Finding the Fourth Proportional to 11,464.27, 15,823.51 and 6,990.49

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Solution

The fourth proportional to 11,464.27, 15,823.51 and 6,990.49 is: 9,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.27 : 15,823.51 = 6,990.49 : x
  2. Step 2: Convert to fraction form
    11,464.27/15,823.51 = 6,990.49/x
  3. Step 3: Cross multiply
    11,464.27x = 15,823.51 × 6,990.49
  4. Step 4: Simplify right side
    11,464.27x = 110,613,974.35
  5. Step 5: Solve for x
    x = 110,613,974.35/11,464.27
  6. Step 6: Final answer
    x = 9,648.58

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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.