Home / 19,146.30-28,719.46-5,999.70

Finding the Fourth Proportional to 19,146.30, 28,719.46 and 5,999.70

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Solution

The fourth proportional to 19,146.30, 28,719.46 and 5,999.70 is: 8,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.30 : 28,719.46 = 5,999.70 : x
  2. Step 2: Convert to fraction form
    19,146.30/28,719.46 = 5,999.70/x
  3. Step 3: Cross multiply
    19,146.30x = 28,719.46 × 5,999.70
  4. Step 4: Simplify right side
    19,146.30x = 172,308,017.04
  5. Step 5: Solve for x
    x = 172,308,017.04/19,146.30
  6. Step 6: Final answer
    x = 8,999.55

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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.