Home / 21,514.68-32,259.33-12,755.70

Finding the Fourth Proportional to 21,514.68, 32,259.33 and 12,755.70

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Solution

The fourth proportional to 21,514.68, 32,259.33 and 12,755.70 is: 19,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514.68 : 32,259.33 = 12,755.70 : x
  2. Step 2: Convert to fraction form
    21,514.68/32,259.33 = 12,755.70/x
  3. Step 3: Cross multiply
    21,514.68x = 32,259.33 × 12,755.70
  4. Step 4: Simplify right side
    21,514.68x = 411,490,335.68
  5. Step 5: Solve for x
    x = 411,490,335.68/21,514.68
  6. Step 6: Final answer
    x = 19,126.03

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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.