Home / 13,942.24-20,898.76-5,173.20

Finding the Fourth Proportional to 13,942.24, 20,898.76 and 5,173.20

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Solution

The fourth proportional to 13,942.24, 20,898.76 and 5,173.20 is: 7,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.24 : 20,898.76 = 5,173.20 : x
  2. Step 2: Convert to fraction form
    13,942.24/20,898.76 = 5,173.20/x
  3. Step 3: Cross multiply
    13,942.24x = 20,898.76 × 5,173.20
  4. Step 4: Simplify right side
    13,942.24x = 108,113,465.23
  5. Step 5: Solve for x
    x = 108,113,465.23/13,942.24
  6. Step 6: Final answer
    x = 7,754.38

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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.