Home / 14,246.86-19,659.21-8,279.80

Finding the Fourth Proportional to 14,246.86, 19,659.21 and 8,279.80

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Solution

The fourth proportional to 14,246.86, 19,659.21 and 8,279.80 is: 11,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.86 : 19,659.21 = 8,279.80 : x
  2. Step 2: Convert to fraction form
    14,246.86/19,659.21 = 8,279.80/x
  3. Step 3: Cross multiply
    14,246.86x = 19,659.21 × 8,279.80
  4. Step 4: Simplify right side
    14,246.86x = 162,774,326.96
  5. Step 5: Solve for x
    x = 162,774,326.96/14,246.86
  6. Step 6: Final answer
    x = 11,425.28

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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.