Home / 11,880.87-16,395.30-6,575.55

Finding the Fourth Proportional to 11,880.87, 16,395.30 and 6,575.55

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Solution

The fourth proportional to 11,880.87, 16,395.30 and 6,575.55 is: 9,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.87 : 16,395.30 = 6,575.55 : x
  2. Step 2: Convert to fraction form
    11,880.87/16,395.30 = 6,575.55/x
  3. Step 3: Cross multiply
    11,880.87x = 16,395.30 × 6,575.55
  4. Step 4: Simplify right side
    11,880.87x = 107,808,114.92
  5. Step 5: Solve for x
    x = 107,808,114.92/11,880.87
  6. Step 6: Final answer
    x = 9,074.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.