Home / 10,815.56-16,223.34-4,659.56

Finding the Fourth Proportional to 10,815.56, 16,223.34 and 4,659.56

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Solution

The fourth proportional to 10,815.56, 16,223.34 and 4,659.56 is: 6,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.56 : 16,223.34 = 4,659.56 : x
  2. Step 2: Convert to fraction form
    10,815.56/16,223.34 = 4,659.56/x
  3. Step 3: Cross multiply
    10,815.56x = 16,223.34 × 4,659.56
  4. Step 4: Simplify right side
    10,815.56x = 75,593,626.13
  5. Step 5: Solve for x
    x = 75,593,626.13/10,815.56
  6. Step 6: Final answer
    x = 6,989.34

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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.