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Finding the Fourth Proportional to 21,594.65, 32,396.06 and 8,446.19

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Solution

The fourth proportional to 21,594.65, 32,396.06 and 8,446.19 is: 12,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.65 : 32,396.06 = 8,446.19 : x
  2. Step 2: Convert to fraction form
    21,594.65/32,396.06 = 8,446.19/x
  3. Step 3: Cross multiply
    21,594.65x = 32,396.06 × 8,446.19
  4. Step 4: Simplify right side
    21,594.65x = 273,623,154.79
  5. Step 5: Solve for x
    x = 273,623,154.79/21,594.65
  6. Step 6: Final answer
    x = 12,670.88

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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.