Home / 11,253.90-16,889.28-4,240.83

Finding the Fourth Proportional to 11,253.90, 16,889.28 and 4,240.83

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Solution

The fourth proportional to 11,253.90, 16,889.28 and 4,240.83 is: 6,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.90 : 16,889.28 = 4,240.83 : x
  2. Step 2: Convert to fraction form
    11,253.90/16,889.28 = 4,240.83/x
  3. Step 3: Cross multiply
    11,253.90x = 16,889.28 × 4,240.83
  4. Step 4: Simplify right side
    11,253.90x = 71,624,565.30
  5. Step 5: Solve for x
    x = 71,624,565.30/11,253.90
  6. Step 6: Final answer
    x = 6,364.42

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Double scale
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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.