Home / 16,730.64-25,107.84-6,878.88

Finding the Fourth Proportional to 16,730.64, 25,107.84 and 6,878.88

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Solution

The fourth proportional to 16,730.64, 25,107.84 and 6,878.88 is: 10,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.64 : 25,107.84 = 6,878.88 : x
  2. Step 2: Convert to fraction form
    16,730.64/25,107.84 = 6,878.88/x
  3. Step 3: Cross multiply
    16,730.64x = 25,107.84 × 6,878.88
  4. Step 4: Simplify right side
    16,730.64x = 172,713,818.42
  5. Step 5: Solve for x
    x = 172,713,818.42/16,730.64
  6. Step 6: Final answer
    x = 10,323.20

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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.