Home / 11,235.68-16,856.40-4,310.72

Finding the Fourth Proportional to 11,235.68, 16,856.40 and 4,310.72

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Solution

The fourth proportional to 11,235.68, 16,856.40 and 4,310.72 is: 6,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.68 : 16,856.40 = 4,310.72 : x
  2. Step 2: Convert to fraction form
    11,235.68/16,856.40 = 4,310.72/x
  3. Step 3: Cross multiply
    11,235.68x = 16,856.40 × 4,310.72
  4. Step 4: Simplify right side
    11,235.68x = 72,663,220.61
  5. Step 5: Solve for x
    x = 72,663,220.61/11,235.68
  6. Step 6: Final answer
    x = 6,467.18

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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.