Home / 14,714.45-20,305.86-8,342.25

Finding the Fourth Proportional to 14,714.45, 20,305.86 and 8,342.25

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Solution

The fourth proportional to 14,714.45, 20,305.86 and 8,342.25 is: 11,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.45 : 20,305.86 = 8,342.25 : x
  2. Step 2: Convert to fraction form
    14,714.45/20,305.86 = 8,342.25/x
  3. Step 3: Cross multiply
    14,714.45x = 20,305.86 × 8,342.25
  4. Step 4: Simplify right side
    14,714.45x = 169,396,510.26
  5. Step 5: Solve for x
    x = 169,396,510.26/14,714.45
  6. Step 6: Final answer
    x = 11,512.25

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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.