Home / 16,678.92-25,014.64-4,990.64

Finding the Fourth Proportional to 16,678.92, 25,014.64 and 4,990.64

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Solution

The fourth proportional to 16,678.92, 25,014.64 and 4,990.64 is: 7,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.92 : 25,014.64 = 4,990.64 : x
  2. Step 2: Convert to fraction form
    16,678.92/25,014.64 = 4,990.64/x
  3. Step 3: Cross multiply
    16,678.92x = 25,014.64 × 4,990.64
  4. Step 4: Simplify right side
    16,678.92x = 124,839,062.97
  5. Step 5: Solve for x
    x = 124,839,062.97/16,678.92
  6. Step 6: Final answer
    x = 7,484.84

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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.