Home / 16,521.73-24,785.68-5,429.20

Finding the Fourth Proportional to 16,521.73, 24,785.68 and 5,429.20

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Solution

The fourth proportional to 16,521.73, 24,785.68 and 5,429.20 is: 8,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.73 : 24,785.68 = 5,429.20 : x
  2. Step 2: Convert to fraction form
    16,521.73/24,785.68 = 5,429.20/x
  3. Step 3: Cross multiply
    16,521.73x = 24,785.68 × 5,429.20
  4. Step 4: Simplify right side
    16,521.73x = 134,566,413.86
  5. Step 5: Solve for x
    x = 134,566,413.86/16,521.73
  6. Step 6: Final answer
    x = 8,144.81

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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.