Home / 13,850.87-20,723.90-8,494.92

Finding the Fourth Proportional to 13,850.87, 20,723.90 and 8,494.92

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Solution

The fourth proportional to 13,850.87, 20,723.90 and 8,494.92 is: 12,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.87 : 20,723.90 = 8,494.92 : x
  2. Step 2: Convert to fraction form
    13,850.87/20,723.90 = 8,494.92/x
  3. Step 3: Cross multiply
    13,850.87x = 20,723.90 × 8,494.92
  4. Step 4: Simplify right side
    13,850.87x = 176,047,830.11
  5. Step 5: Solve for x
    x = 176,047,830.11/13,850.87
  6. Step 6: Final answer
    x = 12,710.24

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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.