Home / 13,514.32-20,271.52-7,961.06

Finding the Fourth Proportional to 13,514.32, 20,271.52 and 7,961.06

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Solution

The fourth proportional to 13,514.32, 20,271.52 and 7,961.06 is: 11,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.32 : 20,271.52 = 7,961.06 : x
  2. Step 2: Convert to fraction form
    13,514.32/20,271.52 = 7,961.06/x
  3. Step 3: Cross multiply
    13,514.32x = 20,271.52 × 7,961.06
  4. Step 4: Simplify right side
    13,514.32x = 161,382,787.01
  5. Step 5: Solve for x
    x = 161,382,787.01/13,514.32
  6. Step 6: Final answer
    x = 11,941.61

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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.