Home / 14,054.60-21,098.10-8,514.20

Finding the Fourth Proportional to 14,054.60, 21,098.10 and 8,514.20

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Solution

The fourth proportional to 14,054.60, 21,098.10 and 8,514.20 is: 12,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.60 : 21,098.10 = 8,514.20 : x
  2. Step 2: Convert to fraction form
    14,054.60/21,098.10 = 8,514.20/x
  3. Step 3: Cross multiply
    14,054.60x = 21,098.10 × 8,514.20
  4. Step 4: Simplify right side
    14,054.60x = 179,633,443.02
  5. Step 5: Solve for x
    x = 179,633,443.02/14,054.60
  6. Step 6: Final answer
    x = 12,781.11

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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.