Home / 14,069.55-21,093.87-8,521.59

Finding the Fourth Proportional to 14,069.55, 21,093.87 and 8,521.59

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Solution

The fourth proportional to 14,069.55, 21,093.87 and 8,521.59 is: 12,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.55 : 21,093.87 = 8,521.59 : x
  2. Step 2: Convert to fraction form
    14,069.55/21,093.87 = 8,521.59/x
  3. Step 3: Cross multiply
    14,069.55x = 21,093.87 × 8,521.59
  4. Step 4: Simplify right side
    14,069.55x = 179,753,311.65
  5. Step 5: Solve for x
    x = 179,753,311.65/14,069.55
  6. Step 6: Final answer
    x = 12,776.05

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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.