Home / 12,671.40-19,000.68-6,005.88

Finding the Fourth Proportional to 12,671.40, 19,000.68 and 6,005.88

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Solution

The fourth proportional to 12,671.40, 19,000.68 and 6,005.88 is: 9,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.40 : 19,000.68 = 6,005.88 : x
  2. Step 2: Convert to fraction form
    12,671.40/19,000.68 = 6,005.88/x
  3. Step 3: Cross multiply
    12,671.40x = 19,000.68 × 6,005.88
  4. Step 4: Simplify right side
    12,671.40x = 114,115,804.00
  5. Step 5: Solve for x
    x = 114,115,804.00/12,671.40
  6. Step 6: Final answer
    x = 9,005.78

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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.