Home / 14,930.61-20,604.75-8,216.49

Finding the Fourth Proportional to 14,930.61, 20,604.75 and 8,216.49

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Solution

The fourth proportional to 14,930.61, 20,604.75 and 8,216.49 is: 11,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.61 : 20,604.75 = 8,216.49 : x
  2. Step 2: Convert to fraction form
    14,930.61/20,604.75 = 8,216.49/x
  3. Step 3: Cross multiply
    14,930.61x = 20,604.75 × 8,216.49
  4. Step 4: Simplify right side
    14,930.61x = 169,298,722.33
  5. Step 5: Solve for x
    x = 169,298,722.33/14,930.61
  6. Step 6: Final answer
    x = 11,339.04

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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.