Home / 16,521.30-24,786.27-5,429.70

Finding the Fourth Proportional to 16,521.30, 24,786.27 and 5,429.70

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Solution

The fourth proportional to 16,521.30, 24,786.27 and 5,429.70 is: 8,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.30 : 24,786.27 = 5,429.70 : x
  2. Step 2: Convert to fraction form
    16,521.30/24,786.27 = 5,429.70/x
  3. Step 3: Cross multiply
    16,521.30x = 24,786.27 × 5,429.70
  4. Step 4: Simplify right side
    16,521.30x = 134,582,010.22
  5. Step 5: Solve for x
    x = 134,582,010.22/16,521.30
  6. Step 6: Final answer
    x = 8,145.97

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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.