Home / 15,942.08-22,000.60-8,772.82

Finding the Fourth Proportional to 15,942.08, 22,000.60 and 8,772.82

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Solution

The fourth proportional to 15,942.08, 22,000.60 and 8,772.82 is: 12,106.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.08 : 22,000.60 = 8,772.82 : x
  2. Step 2: Convert to fraction form
    15,942.08/22,000.60 = 8,772.82/x
  3. Step 3: Cross multiply
    15,942.08x = 22,000.60 × 8,772.82
  4. Step 4: Simplify right side
    15,942.08x = 193,007,303.69
  5. Step 5: Solve for x
    x = 193,007,303.69/15,942.08
  6. Step 6: Final answer
    x = 12,106.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.