Home / 11,197.08-16,785.90-5,345.64

Finding the Fourth Proportional to 11,197.08, 16,785.90 and 5,345.64

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Solution

The fourth proportional to 11,197.08, 16,785.90 and 5,345.64 is: 8,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.08 : 16,785.90 = 5,345.64 : x
  2. Step 2: Convert to fraction form
    11,197.08/16,785.90 = 5,345.64/x
  3. Step 3: Cross multiply
    11,197.08x = 16,785.90 × 5,345.64
  4. Step 4: Simplify right side
    11,197.08x = 89,731,378.48
  5. Step 5: Solve for x
    x = 89,731,378.48/11,197.08
  6. Step 6: Final answer
    x = 8,013.82

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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.