Home / 11,514.24-15,885.59-7,537.55

Finding the Fourth Proportional to 11,514.24, 15,885.59 and 7,537.55

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Solution

The fourth proportional to 11,514.24, 15,885.59 and 7,537.55 is: 10,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.24 : 15,885.59 = 7,537.55 : x
  2. Step 2: Convert to fraction form
    11,514.24/15,885.59 = 7,537.55/x
  3. Step 3: Cross multiply
    11,514.24x = 15,885.59 × 7,537.55
  4. Step 4: Simplify right side
    11,514.24x = 119,738,311.79
  5. Step 5: Solve for x
    x = 119,738,311.79/11,514.24
  6. Step 6: Final answer
    x = 10,399.15

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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.