Home / 16,421.92-22,660.90-9,707.83

Finding the Fourth Proportional to 16,421.92, 22,660.90 and 9,707.83

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Solution

The fourth proportional to 16,421.92, 22,660.90 and 9,707.83 is: 13,396.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,421.92 : 22,660.90 = 9,707.83 : x
  2. Step 2: Convert to fraction form
    16,421.92/22,660.90 = 9,707.83/x
  3. Step 3: Cross multiply
    16,421.92x = 22,660.90 × 9,707.83
  4. Step 4: Simplify right side
    16,421.92x = 219,988,083.93
  5. Step 5: Solve for x
    x = 219,988,083.93/16,421.92
  6. Step 6: Final answer
    x = 13,396.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.