Home / 16,678.64-25,016.12-6,687.58

Finding the Fourth Proportional to 16,678.64, 25,016.12 and 6,687.58

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Solution

The fourth proportional to 16,678.64, 25,016.12 and 6,687.58 is: 10,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.64 : 25,016.12 = 6,687.58 : x
  2. Step 2: Convert to fraction form
    16,678.64/25,016.12 = 6,687.58/x
  3. Step 3: Cross multiply
    16,678.64x = 25,016.12 × 6,687.58
  4. Step 4: Simplify right side
    16,678.64x = 167,297,303.79
  5. Step 5: Solve for x
    x = 167,297,303.79/16,678.64
  6. Step 6: Final answer
    x = 10,030.63

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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.