Home / 19,808.79-29,717.28-6,660.83

Finding the Fourth Proportional to 19,808.79, 29,717.28 and 6,660.83

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Solution

The fourth proportional to 19,808.79, 29,717.28 and 6,660.83 is: 9,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.79 : 29,717.28 = 6,660.83 : x
  2. Step 2: Convert to fraction form
    19,808.79/29,717.28 = 6,660.83/x
  3. Step 3: Cross multiply
    19,808.79x = 29,717.28 × 6,660.83
  4. Step 4: Simplify right side
    19,808.79x = 197,941,601.56
  5. Step 5: Solve for x
    x = 197,941,601.56/19,808.79
  6. Step 6: Final answer
    x = 9,992.61

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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.