Home / 13,932.30-19,226.50-8,269.86

Finding the Fourth Proportional to 13,932.30, 19,226.50 and 8,269.86

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Solution

The fourth proportional to 13,932.30, 19,226.50 and 8,269.86 is: 11,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.30 : 19,226.50 = 8,269.86 : x
  2. Step 2: Convert to fraction form
    13,932.30/19,226.50 = 8,269.86/x
  3. Step 3: Cross multiply
    13,932.30x = 19,226.50 × 8,269.86
  4. Step 4: Simplify right side
    13,932.30x = 159,000,463.29
  5. Step 5: Solve for x
    x = 159,000,463.29/13,932.30
  6. Step 6: Final answer
    x = 11,412.36

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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.