Home / 10,785.75-16,171.93-4,542.55

Finding the Fourth Proportional to 10,785.75, 16,171.93 and 4,542.55

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Solution

The fourth proportional to 10,785.75, 16,171.93 and 4,542.55 is: 6,811.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.75 : 16,171.93 = 4,542.55 : x
  2. Step 2: Convert to fraction form
    10,785.75/16,171.93 = 4,542.55/x
  3. Step 3: Cross multiply
    10,785.75x = 16,171.93 × 4,542.55
  4. Step 4: Simplify right side
    10,785.75x = 73,461,789.27
  5. Step 5: Solve for x
    x = 73,461,789.27/10,785.75
  6. Step 6: Final answer
    x = 6,811.00

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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.