Home / 21,964.05-32,946.08-12,664.85

Finding the Fourth Proportional to 21,964.05, 32,946.08 and 12,664.85

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Solution

The fourth proportional to 21,964.05, 32,946.08 and 12,664.85 is: 18,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.05 : 32,946.08 = 12,664.85 : x
  2. Step 2: Convert to fraction form
    21,964.05/32,946.08 = 12,664.85/x
  3. Step 3: Cross multiply
    21,964.05x = 32,946.08 × 12,664.85
  4. Step 4: Simplify right side
    21,964.05x = 417,256,933.23
  5. Step 5: Solve for x
    x = 417,256,933.23/21,964.05
  6. Step 6: Final answer
    x = 18,997.27

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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.