Home / 21,446.64-29,596.94-12,015.80

Finding the Fourth Proportional to 21,446.64, 29,596.94 and 12,015.80

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Solution

The fourth proportional to 21,446.64, 29,596.94 and 12,015.80 is: 16,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.64 : 29,596.94 = 12,015.80 : x
  2. Step 2: Convert to fraction form
    21,446.64/29,596.94 = 12,015.80/x
  3. Step 3: Cross multiply
    21,446.64x = 29,596.94 × 12,015.80
  4. Step 4: Simplify right side
    21,446.64x = 355,630,911.65
  5. Step 5: Solve for x
    x = 355,630,911.65/21,446.64
  6. Step 6: Final answer
    x = 16,582.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.