Home / 11,257.68-16,885.35-3,360.28

Finding the Fourth Proportional to 11,257.68, 16,885.35 and 3,360.28

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Solution

The fourth proportional to 11,257.68, 16,885.35 and 3,360.28 is: 5,040.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.68 : 16,885.35 = 3,360.28 : x
  2. Step 2: Convert to fraction form
    11,257.68/16,885.35 = 3,360.28/x
  3. Step 3: Cross multiply
    11,257.68x = 16,885.35 × 3,360.28
  4. Step 4: Simplify right side
    11,257.68x = 56,739,503.90
  5. Step 5: Solve for x
    x = 56,739,503.90/11,257.68
  6. Step 6: Final answer
    x = 5,040.07

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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.