Home / 13,932.84-19,226.94-8,479.86

Finding the Fourth Proportional to 13,932.84, 19,226.94 and 8,479.86

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Solution

The fourth proportional to 13,932.84, 19,226.94 and 8,479.86 is: 11,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.84 : 19,226.94 = 8,479.86 : x
  2. Step 2: Convert to fraction form
    13,932.84/19,226.94 = 8,479.86/x
  3. Step 3: Cross multiply
    13,932.84x = 19,226.94 × 8,479.86
  4. Step 4: Simplify right side
    13,932.84x = 163,041,759.43
  5. Step 5: Solve for x
    x = 163,041,759.43/13,932.84
  6. Step 6: Final answer
    x = 11,701.98

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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.