Home / 19,620.74-29,430.46-8,527.44

Finding the Fourth Proportional to 19,620.74, 29,430.46 and 8,527.44

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Solution

The fourth proportional to 19,620.74, 29,430.46 and 8,527.44 is: 12,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.74 : 29,430.46 = 8,527.44 : x
  2. Step 2: Convert to fraction form
    19,620.74/29,430.46 = 8,527.44/x
  3. Step 3: Cross multiply
    19,620.74x = 29,430.46 × 8,527.44
  4. Step 4: Simplify right side
    19,620.74x = 250,966,481.82
  5. Step 5: Solve for x
    x = 250,966,481.82/19,620.74
  6. Step 6: Final answer
    x = 12,790.88

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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.