Home / 19,147.48-28,721.20-6,000.88

Finding the Fourth Proportional to 19,147.48, 28,721.20 and 6,000.88

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Solution

The fourth proportional to 19,147.48, 28,721.20 and 6,000.88 is: 9,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.48 : 28,721.20 = 6,000.88 : x
  2. Step 2: Convert to fraction form
    19,147.48/28,721.20 = 6,000.88/x
  3. Step 3: Cross multiply
    19,147.48x = 28,721.20 × 6,000.88
  4. Step 4: Simplify right side
    19,147.48x = 172,352,474.66
  5. Step 5: Solve for x
    x = 172,352,474.66/19,147.48
  6. Step 6: Final answer
    x = 9,001.31

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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.