Home / 14,714.07-20,305.43-8,427.66

Finding the Fourth Proportional to 14,714.07, 20,305.43 and 8,427.66

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Solution

The fourth proportional to 14,714.07, 20,305.43 and 8,427.66 is: 11,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.07 : 20,305.43 = 8,427.66 : x
  2. Step 2: Convert to fraction form
    14,714.07/20,305.43 = 8,427.66/x
  3. Step 3: Cross multiply
    14,714.07x = 20,305.43 × 8,427.66
  4. Step 4: Simplify right side
    14,714.07x = 171,127,218.06
  5. Step 5: Solve for x
    x = 171,127,218.06/14,714.07
  6. Step 6: Final answer
    x = 11,630.18

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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.