Home / 15,946.92-23,914.62-5,415.24

Finding the Fourth Proportional to 15,946.92, 23,914.62 and 5,415.24

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Solution

The fourth proportional to 15,946.92, 23,914.62 and 5,415.24 is: 8,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.92 : 23,914.62 = 5,415.24 : x
  2. Step 2: Convert to fraction form
    15,946.92/23,914.62 = 5,415.24/x
  3. Step 3: Cross multiply
    15,946.92x = 23,914.62 × 5,415.24
  4. Step 4: Simplify right side
    15,946.92x = 129,503,406.81
  5. Step 5: Solve for x
    x = 129,503,406.81/15,946.92
  6. Step 6: Final answer
    x = 8,120.90

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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.