Home / 19,760.32-29,628.72-6,609.12

Finding the Fourth Proportional to 19,760.32, 29,628.72 and 6,609.12

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Solution

The fourth proportional to 19,760.32, 29,628.72 and 6,609.12 is: 9,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.32 : 29,628.72 = 6,609.12 : x
  2. Step 2: Convert to fraction form
    19,760.32/29,628.72 = 6,609.12/x
  3. Step 3: Cross multiply
    19,760.32x = 29,628.72 × 6,609.12
  4. Step 4: Simplify right side
    19,760.32x = 195,819,765.93
  5. Step 5: Solve for x
    x = 195,819,765.93/19,760.32
  6. Step 6: Final answer
    x = 9,909.75

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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.