Home / 10,542.39-15,813.60-7,245.51

Finding the Fourth Proportional to 10,542.39, 15,813.60 and 7,245.51

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Solution

The fourth proportional to 10,542.39, 15,813.60 and 7,245.51 is: 10,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.39 : 15,813.60 = 7,245.51 : x
  2. Step 2: Convert to fraction form
    10,542.39/15,813.60 = 7,245.51/x
  3. Step 3: Cross multiply
    10,542.39x = 15,813.60 × 7,245.51
  4. Step 4: Simplify right side
    10,542.39x = 114,577,517.87
  5. Step 5: Solve for x
    x = 114,577,517.87/10,542.39
  6. Step 6: Final answer
    x = 10,868.27

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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.