Home / 16,820.28-25,234.38-9,429.84

Finding the Fourth Proportional to 16,820.28, 25,234.38 and 9,429.84

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Solution

The fourth proportional to 16,820.28, 25,234.38 and 9,429.84 is: 14,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.28 : 25,234.38 = 9,429.84 : x
  2. Step 2: Convert to fraction form
    16,820.28/25,234.38 = 9,429.84/x
  3. Step 3: Cross multiply
    16,820.28x = 25,234.38 × 9,429.84
  4. Step 4: Simplify right side
    16,820.28x = 237,956,165.90
  5. Step 5: Solve for x
    x = 237,956,165.90/16,820.28
  6. Step 6: Final answer
    x = 14,146.98

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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.