Home / 13,913.24-20,846.91-10,216.94

Finding the Fourth Proportional to 13,913.24, 20,846.91 and 10,216.94

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Solution

The fourth proportional to 13,913.24, 20,846.91 and 10,216.94 is: 15,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.24 : 20,846.91 = 10,216.94 : x
  2. Step 2: Convert to fraction form
    13,913.24/20,846.91 = 10,216.94/x
  3. Step 3: Cross multiply
    13,913.24x = 20,846.91 × 10,216.94
  4. Step 4: Simplify right side
    13,913.24x = 212,991,628.66
  5. Step 5: Solve for x
    x = 212,991,628.66/13,913.24
  6. Step 6: Final answer
    x = 15,308.56

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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.