Home / 16,855.28-25,287.78-6,992.72

Finding the Fourth Proportional to 16,855.28, 25,287.78 and 6,992.72

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Solution

The fourth proportional to 16,855.28, 25,287.78 and 6,992.72 is: 10,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.28 : 25,287.78 = 6,992.72 : x
  2. Step 2: Convert to fraction form
    16,855.28/25,287.78 = 6,992.72/x
  3. Step 3: Cross multiply
    16,855.28x = 25,287.78 × 6,992.72
  4. Step 4: Simplify right side
    16,855.28x = 176,830,364.96
  5. Step 5: Solve for x
    x = 176,830,364.96/16,855.28
  6. Step 6: Final answer
    x = 10,491.10

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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.