Home / 15,942.07-22,000.24-9,135.96

Finding the Fourth Proportional to 15,942.07, 22,000.24 and 9,135.96

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Solution

The fourth proportional to 15,942.07, 22,000.24 and 9,135.96 is: 12,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.07 : 22,000.24 = 9,135.96 : x
  2. Step 2: Convert to fraction form
    15,942.07/22,000.24 = 9,135.96/x
  3. Step 3: Cross multiply
    15,942.07x = 22,000.24 × 9,135.96
  4. Step 4: Simplify right side
    15,942.07x = 200,993,202.63
  5. Step 5: Solve for x
    x = 200,993,202.63/15,942.07
  6. Step 6: Final answer
    x = 12,607.72

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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.