Home / 16,878.88-25,291.50-11,311.66

Finding the Fourth Proportional to 16,878.88, 25,291.50 and 11,311.66

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Solution

The fourth proportional to 16,878.88, 25,291.50 and 11,311.66 is: 16,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.88 : 25,291.50 = 11,311.66 : x
  2. Step 2: Convert to fraction form
    16,878.88/25,291.50 = 11,311.66/x
  3. Step 3: Cross multiply
    16,878.88x = 25,291.50 × 11,311.66
  4. Step 4: Simplify right side
    16,878.88x = 286,088,848.89
  5. Step 5: Solve for x
    x = 286,088,848.89/16,878.88
  6. Step 6: Final answer
    x = 16,949.52

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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.