Home / 19,098.20-28,647.30-8,001.20

Finding the Fourth Proportional to 19,098.20, 28,647.30 and 8,001.20

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Solution

The fourth proportional to 19,098.20, 28,647.30 and 8,001.20 is: 12,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.20 : 28,647.30 = 8,001.20 : x
  2. Step 2: Convert to fraction form
    19,098.20/28,647.30 = 8,001.20/x
  3. Step 3: Cross multiply
    19,098.20x = 28,647.30 × 8,001.20
  4. Step 4: Simplify right side
    19,098.20x = 229,212,776.76
  5. Step 5: Solve for x
    x = 229,212,776.76/19,098.20
  6. Step 6: Final answer
    x = 12,001.80

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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.