Home / 16,160.12-24,222.88-7,828.70

Finding the Fourth Proportional to 16,160.12, 24,222.88 and 7,828.70

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Solution

The fourth proportional to 16,160.12, 24,222.88 and 7,828.70 is: 11,734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,160.12 : 24,222.88 = 7,828.70 : x
  2. Step 2: Convert to fraction form
    16,160.12/24,222.88 = 7,828.70/x
  3. Step 3: Cross multiply
    16,160.12x = 24,222.88 × 7,828.70
  4. Step 4: Simplify right side
    16,160.12x = 189,633,500.40
  5. Step 5: Solve for x
    x = 189,633,500.40/16,160.12
  6. Step 6: Final answer
    x = 11,734.66

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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.