Home / 11,238.88-16,854.96-4,312.48

Finding the Fourth Proportional to 11,238.88, 16,854.96 and 4,312.48

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Solution

The fourth proportional to 11,238.88, 16,854.96 and 4,312.48 is: 6,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.88 : 16,854.96 = 4,312.48 : x
  2. Step 2: Convert to fraction form
    11,238.88/16,854.96 = 4,312.48/x
  3. Step 3: Cross multiply
    11,238.88x = 16,854.96 × 4,312.48
  4. Step 4: Simplify right side
    11,238.88x = 72,686,677.90
  5. Step 5: Solve for x
    x = 72,686,677.90/11,238.88
  6. Step 6: Final answer
    x = 6,467.43

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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.