Home / 12,299.76-18,450.98-4,508.57

Finding the Fourth Proportional to 12,299.76, 18,450.98 and 4,508.57

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Solution

The fourth proportional to 12,299.76, 18,450.98 and 4,508.57 is: 6,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.76 : 18,450.98 = 4,508.57 : x
  2. Step 2: Convert to fraction form
    12,299.76/18,450.98 = 4,508.57/x
  3. Step 3: Cross multiply
    12,299.76x = 18,450.98 × 4,508.57
  4. Step 4: Simplify right side
    12,299.76x = 83,187,534.90
  5. Step 5: Solve for x
    x = 83,187,534.90/12,299.76
  6. Step 6: Final answer
    x = 6,763.35

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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.