Home / 14,383.50-21,474.36-12,169.76

Finding the Fourth Proportional to 14,383.50, 21,474.36 and 12,169.76

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Solution

The fourth proportional to 14,383.50, 21,474.36 and 12,169.76 is: 18,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.50 : 21,474.36 = 12,169.76 : x
  2. Step 2: Convert to fraction form
    14,383.50/21,474.36 = 12,169.76/x
  3. Step 3: Cross multiply
    14,383.50x = 21,474.36 × 12,169.76
  4. Step 4: Simplify right side
    14,383.50x = 261,337,807.35
  5. Step 5: Solve for x
    x = 261,337,807.35/14,383.50
  6. Step 6: Final answer
    x = 18,169.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.