Home / 19,146.02-28,689.80-8,046.65

Finding the Fourth Proportional to 19,146.02, 28,689.80 and 8,046.65

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Solution

The fourth proportional to 19,146.02, 28,689.80 and 8,046.65 is: 12,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.02 : 28,689.80 = 8,046.65 : x
  2. Step 2: Convert to fraction form
    19,146.02/28,689.80 = 8,046.65/x
  3. Step 3: Cross multiply
    19,146.02x = 28,689.80 × 8,046.65
  4. Step 4: Simplify right side
    19,146.02x = 230,856,810.66
  5. Step 5: Solve for x
    x = 230,856,810.66/19,146.02
  6. Step 6: Final answer
    x = 12,057.70

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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.