Home / 16,511.58-24,729.30-12,801.78

Finding the Fourth Proportional to 16,511.58, 24,729.30 and 12,801.78

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Solution

The fourth proportional to 16,511.58, 24,729.30 and 12,801.78 is: 19,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.58 : 24,729.30 = 12,801.78 : x
  2. Step 2: Convert to fraction form
    16,511.58/24,729.30 = 12,801.78/x
  3. Step 3: Cross multiply
    16,511.58x = 24,729.30 × 12,801.78
  4. Step 4: Simplify right side
    16,511.58x = 316,579,058.15
  5. Step 5: Solve for x
    x = 316,579,058.15/16,511.58
  6. Step 6: Final answer
    x = 19,173.15

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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.