Home / 11,257.58-16,886.37-4,239.14

Finding the Fourth Proportional to 11,257.58, 16,886.37 and 4,239.14

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Solution

The fourth proportional to 11,257.58, 16,886.37 and 4,239.14 is: 6,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.58 : 16,886.37 = 4,239.14 : x
  2. Step 2: Convert to fraction form
    11,257.58/16,886.37 = 4,239.14/x
  3. Step 3: Cross multiply
    11,257.58x = 16,886.37 × 4,239.14
  4. Step 4: Simplify right side
    11,257.58x = 71,583,617.99
  5. Step 5: Solve for x
    x = 71,583,617.99/11,257.58
  6. Step 6: Final answer
    x = 6,358.70

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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.