Home / 14,986.13-20,679.74-8,612.73

Finding the Fourth Proportional to 14,986.13, 20,679.74 and 8,612.73

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Solution

The fourth proportional to 14,986.13, 20,679.74 and 8,612.73 is: 11,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.13 : 20,679.74 = 8,612.73 : x
  2. Step 2: Convert to fraction form
    14,986.13/20,679.74 = 8,612.73/x
  3. Step 3: Cross multiply
    14,986.13x = 20,679.74 × 8,612.73
  4. Step 4: Simplify right side
    14,986.13x = 178,109,006.32
  5. Step 5: Solve for x
    x = 178,109,006.32/14,986.13
  6. Step 6: Final answer
    x = 11,884.92

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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.