Home / 18,964.27-26,165.05-12,243.77

Finding the Fourth Proportional to 18,964.27, 26,165.05 and 12,243.77

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Solution

The fourth proportional to 18,964.27, 26,165.05 and 12,243.77 is: 16,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.27 : 26,165.05 = 12,243.77 : x
  2. Step 2: Convert to fraction form
    18,964.27/26,165.05 = 12,243.77/x
  3. Step 3: Cross multiply
    18,964.27x = 26,165.05 × 12,243.77
  4. Step 4: Simplify right side
    18,964.27x = 320,358,692.80
  5. Step 5: Solve for x
    x = 320,358,692.80/18,964.27
  6. Step 6: Final answer
    x = 16,892.75

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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.