Home / 12,545.35-18,817.06-4,644.15

Finding the Fourth Proportional to 12,545.35, 18,817.06 and 4,644.15

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Solution

The fourth proportional to 12,545.35, 18,817.06 and 4,644.15 is: 6,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.35 : 18,817.06 = 4,644.15 : x
  2. Step 2: Convert to fraction form
    12,545.35/18,817.06 = 4,644.15/x
  3. Step 3: Cross multiply
    12,545.35x = 18,817.06 × 4,644.15
  4. Step 4: Simplify right side
    12,545.35x = 87,389,249.20
  5. Step 5: Solve for x
    x = 87,389,249.20/12,545.35
  6. Step 6: Final answer
    x = 6,965.87

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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.