Home / 21,682.23-32,514.15-6,887.19

Finding the Fourth Proportional to 21,682.23, 32,514.15 and 6,887.19

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Solution

The fourth proportional to 21,682.23, 32,514.15 and 6,887.19 is: 10,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682.23 : 32,514.15 = 6,887.19 : x
  2. Step 2: Convert to fraction form
    21,682.23/32,514.15 = 6,887.19/x
  3. Step 3: Cross multiply
    21,682.23x = 32,514.15 × 6,887.19
  4. Step 4: Simplify right side
    21,682.23x = 223,931,128.74
  5. Step 5: Solve for x
    x = 223,931,128.74/21,682.23
  6. Step 6: Final answer
    x = 10,327.86

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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.