Home / 14,714.36-20,305.80-8,426.76

Finding the Fourth Proportional to 14,714.36, 20,305.80 and 8,426.76

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Solution

The fourth proportional to 14,714.36, 20,305.80 and 8,426.76 is: 11,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.36 : 20,305.80 = 8,426.76 : x
  2. Step 2: Convert to fraction form
    14,714.36/20,305.80 = 8,426.76/x
  3. Step 3: Cross multiply
    14,714.36x = 20,305.80 × 8,426.76
  4. Step 4: Simplify right side
    14,714.36x = 171,112,103.21
  5. Step 5: Solve for x
    x = 171,112,103.21/14,714.36
  6. Step 6: Final answer
    x = 11,628.92

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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.