Home / 13,434.24-18,545.68-8,965.44

Finding the Fourth Proportional to 13,434.24, 18,545.68 and 8,965.44

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Solution

The fourth proportional to 13,434.24, 18,545.68 and 8,965.44 is: 12,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.24 : 18,545.68 = 8,965.44 : x
  2. Step 2: Convert to fraction form
    13,434.24/18,545.68 = 8,965.44/x
  3. Step 3: Cross multiply
    13,434.24x = 18,545.68 × 8,965.44
  4. Step 4: Simplify right side
    13,434.24x = 166,270,181.30
  5. Step 5: Solve for x
    x = 166,270,181.30/13,434.24
  6. Step 6: Final answer
    x = 12,376.60

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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.