Home / 16,972.30-25,432.44-8,639.83

Finding the Fourth Proportional to 16,972.30, 25,432.44 and 8,639.83

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Solution

The fourth proportional to 16,972.30, 25,432.44 and 8,639.83 is: 12,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.30 : 25,432.44 = 8,639.83 : x
  2. Step 2: Convert to fraction form
    16,972.30/25,432.44 = 8,639.83/x
  3. Step 3: Cross multiply
    16,972.30x = 25,432.44 × 8,639.83
  4. Step 4: Simplify right side
    16,972.30x = 219,731,958.09
  5. Step 5: Solve for x
    x = 219,731,958.09/16,972.30
  6. Step 6: Final answer
    x = 12,946.50

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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.