Home / 15,942.40-23,917.20-9,365.20

Finding the Fourth Proportional to 15,942.40, 23,917.20 and 9,365.20

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Solution

The fourth proportional to 15,942.40, 23,917.20 and 9,365.20 is: 14,049.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.40 : 23,917.20 = 9,365.20 : x
  2. Step 2: Convert to fraction form
    15,942.40/23,917.20 = 9,365.20/x
  3. Step 3: Cross multiply
    15,942.40x = 23,917.20 × 9,365.20
  4. Step 4: Simplify right side
    15,942.40x = 223,989,361.44
  5. Step 5: Solve for x
    x = 223,989,361.44/15,942.40
  6. Step 6: Final answer
    x = 14,049.91

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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.