Home / 16,820.80-25,234.90-5,134.92

Finding the Fourth Proportional to 16,820.80, 25,234.90 and 5,134.92

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Solution

The fourth proportional to 16,820.80, 25,234.90 and 5,134.92 is: 7,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.80 : 25,234.90 = 5,134.92 : x
  2. Step 2: Convert to fraction form
    16,820.80/25,234.90 = 5,134.92/x
  3. Step 3: Cross multiply
    16,820.80x = 25,234.90 × 5,134.92
  4. Step 4: Simplify right side
    16,820.80x = 129,579,192.71
  5. Step 5: Solve for x
    x = 129,579,192.71/16,820.80
  6. Step 6: Final answer
    x = 7,703.51

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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.