Home / 10,542.24-15,811.74-3,527.28

Finding the Fourth Proportional to 10,542.24, 15,811.74 and 3,527.28

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Solution

The fourth proportional to 10,542.24, 15,811.74 and 3,527.28 is: 5,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.24 : 15,811.74 = 3,527.28 : x
  2. Step 2: Convert to fraction form
    10,542.24/15,811.74 = 3,527.28/x
  3. Step 3: Cross multiply
    10,542.24x = 15,811.74 × 3,527.28
  4. Step 4: Simplify right side
    10,542.24x = 55,772,434.27
  5. Step 5: Solve for x
    x = 55,772,434.27/10,542.24
  6. Step 6: Final answer
    x = 5,290.38

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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.