Home / 13,463.94-20,178.30-8,396.04

Finding the Fourth Proportional to 13,463.94, 20,178.30 and 8,396.04

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Solution

The fourth proportional to 13,463.94, 20,178.30 and 8,396.04 is: 12,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.94 : 20,178.30 = 8,396.04 : x
  2. Step 2: Convert to fraction form
    13,463.94/20,178.30 = 8,396.04/x
  3. Step 3: Cross multiply
    13,463.94x = 20,178.30 × 8,396.04
  4. Step 4: Simplify right side
    13,463.94x = 169,417,813.93
  5. Step 5: Solve for x
    x = 169,417,813.93/13,463.94
  6. Step 6: Final answer
    x = 12,583.08

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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.