Home / 14,990.36-20,658.92-11,206.85

Finding the Fourth Proportional to 14,990.36, 20,658.92 and 11,206.85

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Solution

The fourth proportional to 14,990.36, 20,658.92 and 11,206.85 is: 15,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990.36 : 20,658.92 = 11,206.85 : x
  2. Step 2: Convert to fraction form
    14,990.36/20,658.92 = 11,206.85/x
  3. Step 3: Cross multiply
    14,990.36x = 20,658.92 × 11,206.85
  4. Step 4: Simplify right side
    14,990.36x = 231,521,258.27
  5. Step 5: Solve for x
    x = 231,521,258.27/14,990.36
  6. Step 6: Final answer
    x = 15,444.68

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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.