Home / 16,942.64-25,416.32-7,079.68

Finding the Fourth Proportional to 16,942.64, 25,416.32 and 7,079.68

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Solution

The fourth proportional to 16,942.64, 25,416.32 and 7,079.68 is: 10,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.64 : 25,416.32 = 7,079.68 : x
  2. Step 2: Convert to fraction form
    16,942.64/25,416.32 = 7,079.68/x
  3. Step 3: Cross multiply
    16,942.64x = 25,416.32 × 7,079.68
  4. Step 4: Simplify right side
    16,942.64x = 179,939,412.38
  5. Step 5: Solve for x
    x = 179,939,412.38/16,942.64
  6. Step 6: Final answer
    x = 10,620.51

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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.