Home / 11,271.20-16,885.28-6,325.84

Finding the Fourth Proportional to 11,271.20, 16,885.28 and 6,325.84

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Solution

The fourth proportional to 11,271.20, 16,885.28 and 6,325.84 is: 9,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.20 : 16,885.28 = 6,325.84 : x
  2. Step 2: Convert to fraction form
    11,271.20/16,885.28 = 6,325.84/x
  3. Step 3: Cross multiply
    11,271.20x = 16,885.28 × 6,325.84
  4. Step 4: Simplify right side
    11,271.20x = 106,813,579.64
  5. Step 5: Solve for x
    x = 106,813,579.64/11,271.20
  6. Step 6: Final answer
    x = 9,476.68

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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.