Home / 11,514.81-15,895.56-8,956.77

Finding the Fourth Proportional to 11,514.81, 15,895.56 and 8,956.77

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Solution

The fourth proportional to 11,514.81, 15,895.56 and 8,956.77 is: 12,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.81 : 15,895.56 = 8,956.77 : x
  2. Step 2: Convert to fraction form
    11,514.81/15,895.56 = 8,956.77/x
  3. Step 3: Cross multiply
    11,514.81x = 15,895.56 × 8,956.77
  4. Step 4: Simplify right side
    11,514.81x = 142,372,874.94
  5. Step 5: Solve for x
    x = 142,372,874.94/11,514.81
  6. Step 6: Final answer
    x = 12,364.33

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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.