Home / 10,860.87-16,291.32-3,465.36

Finding the Fourth Proportional to 10,860.87, 16,291.32 and 3,465.36

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Solution

The fourth proportional to 10,860.87, 16,291.32 and 3,465.36 is: 5,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.87 : 16,291.32 = 3,465.36 : x
  2. Step 2: Convert to fraction form
    10,860.87/16,291.32 = 3,465.36/x
  3. Step 3: Cross multiply
    10,860.87x = 16,291.32 × 3,465.36
  4. Step 4: Simplify right side
    10,860.87x = 56,455,288.68
  5. Step 5: Solve for x
    x = 56,455,288.68/10,860.87
  6. Step 6: Final answer
    x = 5,198.04

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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.