Home / 11,324.86-16,965.18-7,417.42

Finding the Fourth Proportional to 11,324.86, 16,965.18 and 7,417.42

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Solution

The fourth proportional to 11,324.86, 16,965.18 and 7,417.42 is: 11,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.86 : 16,965.18 = 7,417.42 : x
  2. Step 2: Convert to fraction form
    11,324.86/16,965.18 = 7,417.42/x
  3. Step 3: Cross multiply
    11,324.86x = 16,965.18 × 7,417.42
  4. Step 4: Simplify right side
    11,324.86x = 125,837,865.44
  5. Step 5: Solve for x
    x = 125,837,865.44/11,324.86
  6. Step 6: Final answer
    x = 11,111.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.