Home / 10,519.23-15,786.66-4,974.27

Finding the Fourth Proportional to 10,519.23, 15,786.66 and 4,974.27

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Solution

The fourth proportional to 10,519.23, 15,786.66 and 4,974.27 is: 7,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.23 : 15,786.66 = 4,974.27 : x
  2. Step 2: Convert to fraction form
    10,519.23/15,786.66 = 4,974.27/x
  3. Step 3: Cross multiply
    10,519.23x = 15,786.66 × 4,974.27
  4. Step 4: Simplify right side
    10,519.23x = 78,527,109.24
  5. Step 5: Solve for x
    x = 78,527,109.24/10,519.23
  6. Step 6: Final answer
    x = 7,465.10

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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.