Home / 11,214.32-16,826.40-4,642

Finding the Fourth Proportional to 11,214.32, 16,826.40 and 4,642

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Solution

The fourth proportional to 11,214.32, 16,826.40 and 4,642 is: 6,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.32 : 16,826.40 = 4,642 : x
  2. Step 2: Convert to fraction form
    11,214.32/16,826.40 = 4,642/x
  3. Step 3: Cross multiply
    11,214.32x = 16,826.40 × 4,642
  4. Step 4: Simplify right side
    11,214.32x = 78,108,148.80
  5. Step 5: Solve for x
    x = 78,108,148.80/11,214.32
  6. Step 6: Final answer
    x = 6,965.04

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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.