Home / 14,647.91-20,211.94-8,902.37

Finding the Fourth Proportional to 14,647.91, 20,211.94 and 8,902.37

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Solution

The fourth proportional to 14,647.91, 20,211.94 and 8,902.37 is: 12,283.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.91 : 20,211.94 = 8,902.37 : x
  2. Step 2: Convert to fraction form
    14,647.91/20,211.94 = 8,902.37/x
  3. Step 3: Cross multiply
    14,647.91x = 20,211.94 × 8,902.37
  4. Step 4: Simplify right side
    14,647.91x = 179,934,044.98
  5. Step 5: Solve for x
    x = 179,934,044.98/14,647.91
  6. Step 6: Final answer
    x = 12,283.94

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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.