Home / 16,664.40-24,977.52-7,886.88

Finding the Fourth Proportional to 16,664.40, 24,977.52 and 7,886.88

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Solution

The fourth proportional to 16,664.40, 24,977.52 and 7,886.88 is: 11,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,664.40 : 24,977.52 = 7,886.88 : x
  2. Step 2: Convert to fraction form
    16,664.40/24,977.52 = 7,886.88/x
  3. Step 3: Cross multiply
    16,664.40x = 24,977.52 × 7,886.88
  4. Step 4: Simplify right side
    16,664.40x = 196,994,702.94
  5. Step 5: Solve for x
    x = 196,994,702.94/16,664.40
  6. Step 6: Final answer
    x = 11,821.29

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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.