Home / 14,679.15-20,257.05-8,305.62

Finding the Fourth Proportional to 14,679.15, 20,257.05 and 8,305.62

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Solution

The fourth proportional to 14,679.15, 20,257.05 and 8,305.62 is: 11,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.15 : 20,257.05 = 8,305.62 : x
  2. Step 2: Convert to fraction form
    14,679.15/20,257.05 = 8,305.62/x
  3. Step 3: Cross multiply
    14,679.15x = 20,257.05 × 8,305.62
  4. Step 4: Simplify right side
    14,679.15x = 168,247,359.62
  5. Step 5: Solve for x
    x = 168,247,359.62/14,679.15
  6. Step 6: Final answer
    x = 11,461.66

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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.