Home / 10,271.28-15,403.84-5,338.23

Finding the Fourth Proportional to 10,271.28, 15,403.84 and 5,338.23

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Solution

The fourth proportional to 10,271.28, 15,403.84 and 5,338.23 is: 8,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.28 : 15,403.84 = 5,338.23 : x
  2. Step 2: Convert to fraction form
    10,271.28/15,403.84 = 5,338.23/x
  3. Step 3: Cross multiply
    10,271.28x = 15,403.84 × 5,338.23
  4. Step 4: Simplify right side
    10,271.28x = 82,229,169.69
  5. Step 5: Solve for x
    x = 82,229,169.69/10,271.28
  6. Step 6: Final answer
    x = 8,005.73

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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.