Home / 21,585.23-32,396.30-8,446.83

Finding the Fourth Proportional to 21,585.23, 32,396.30 and 8,446.83

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Solution

The fourth proportional to 21,585.23, 32,396.30 and 8,446.83 is: 12,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.23 : 32,396.30 = 8,446.83 : x
  2. Step 2: Convert to fraction form
    21,585.23/32,396.30 = 8,446.83/x
  3. Step 3: Cross multiply
    21,585.23x = 32,396.30 × 8,446.83
  4. Step 4: Simplify right side
    21,585.23x = 273,646,136.43
  5. Step 5: Solve for x
    x = 273,646,136.43/21,585.23
  6. Step 6: Final answer
    x = 12,677.47

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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.