Home / 11,514.32-15,890.12-6,546.64

Finding the Fourth Proportional to 11,514.32, 15,890.12 and 6,546.64

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Solution

The fourth proportional to 11,514.32, 15,890.12 and 6,546.64 is: 9,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.32 : 15,890.12 = 6,546.64 : x
  2. Step 2: Convert to fraction form
    11,514.32/15,890.12 = 6,546.64/x
  3. Step 3: Cross multiply
    11,514.32x = 15,890.12 × 6,546.64
  4. Step 4: Simplify right side
    11,514.32x = 104,026,895.20
  5. Step 5: Solve for x
    x = 104,026,895.20/11,514.32
  6. Step 6: Final answer
    x = 9,034.57

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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.