Home / 10,880.60-16,320.92-3,485.57

Finding the Fourth Proportional to 10,880.60, 16,320.92 and 3,485.57

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Solution

The fourth proportional to 10,880.60, 16,320.92 and 3,485.57 is: 5,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.60 : 16,320.92 = 3,485.57 : x
  2. Step 2: Convert to fraction form
    10,880.60/16,320.92 = 3,485.57/x
  3. Step 3: Cross multiply
    10,880.60x = 16,320.92 × 3,485.57
  4. Step 4: Simplify right side
    10,880.60x = 56,887,610.09
  5. Step 5: Solve for x
    x = 56,887,610.09/10,880.60
  6. Step 6: Final answer
    x = 5,228.35

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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.