Home / 11,184.36-16,784.10-4,258.68

Finding the Fourth Proportional to 11,184.36, 16,784.10 and 4,258.68

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Solution

The fourth proportional to 11,184.36, 16,784.10 and 4,258.68 is: 6,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.36 : 16,784.10 = 4,258.68 : x
  2. Step 2: Convert to fraction form
    11,184.36/16,784.10 = 4,258.68/x
  3. Step 3: Cross multiply
    11,184.36x = 16,784.10 × 4,258.68
  4. Step 4: Simplify right side
    11,184.36x = 71,478,110.99
  5. Step 5: Solve for x
    x = 71,478,110.99/11,184.36
  6. Step 6: Final answer
    x = 6,390.90

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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.