Home / 16,828.68-25,220.52-12,913.92

Finding the Fourth Proportional to 16,828.68, 25,220.52 and 12,913.92

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Solution

The fourth proportional to 16,828.68, 25,220.52 and 12,913.92 is: 19,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.68 : 25,220.52 = 12,913.92 : x
  2. Step 2: Convert to fraction form
    16,828.68/25,220.52 = 12,913.92/x
  3. Step 3: Cross multiply
    16,828.68x = 25,220.52 × 12,913.92
  4. Step 4: Simplify right side
    16,828.68x = 325,695,777.64
  5. Step 5: Solve for x
    x = 325,695,777.64/16,828.68
  6. Step 6: Final answer
    x = 19,353.61

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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.