Home / 14,660.72-20,235.52-8,376.80

Finding the Fourth Proportional to 14,660.72, 20,235.52 and 8,376.80

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Solution

The fourth proportional to 14,660.72, 20,235.52 and 8,376.80 is: 11,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.72 : 20,235.52 = 8,376.80 : x
  2. Step 2: Convert to fraction form
    14,660.72/20,235.52 = 8,376.80/x
  3. Step 3: Cross multiply
    14,660.72x = 20,235.52 × 8,376.80
  4. Step 4: Simplify right side
    14,660.72x = 169,508,903.94
  5. Step 5: Solve for x
    x = 169,508,903.94/14,660.72
  6. Step 6: Final answer
    x = 11,562.11

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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.