Home / 13,560.94-20,338.12-5,235.64

Finding the Fourth Proportional to 13,560.94, 20,338.12 and 5,235.64

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Solution

The fourth proportional to 13,560.94, 20,338.12 and 5,235.64 is: 7,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.94 : 20,338.12 = 5,235.64 : x
  2. Step 2: Convert to fraction form
    13,560.94/20,338.12 = 5,235.64/x
  3. Step 3: Cross multiply
    13,560.94x = 20,338.12 × 5,235.64
  4. Step 4: Simplify right side
    13,560.94x = 106,483,074.60
  5. Step 5: Solve for x
    x = 106,483,074.60/13,560.94
  6. Step 6: Final answer
    x = 7,852.19

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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.