Home / 16,986.21-25,479.32-5,300.34

Finding the Fourth Proportional to 16,986.21, 25,479.32 and 5,300.34

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Solution

The fourth proportional to 16,986.21, 25,479.32 and 5,300.34 is: 7,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.21 : 25,479.32 = 5,300.34 : x
  2. Step 2: Convert to fraction form
    16,986.21/25,479.32 = 5,300.34/x
  3. Step 3: Cross multiply
    16,986.21x = 25,479.32 × 5,300.34
  4. Step 4: Simplify right side
    16,986.21x = 135,049,032.47
  5. Step 5: Solve for x
    x = 135,049,032.47/16,986.21
  6. Step 6: Final answer
    x = 7,950.51

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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.