Home / 11,214.60-16,816.06-4,188.84

Finding the Fourth Proportional to 11,214.60, 16,816.06 and 4,188.84

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Solution

The fourth proportional to 11,214.60, 16,816.06 and 4,188.84 is: 6,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.60 : 16,816.06 = 4,188.84 : x
  2. Step 2: Convert to fraction form
    11,214.60/16,816.06 = 4,188.84/x
  3. Step 3: Cross multiply
    11,214.60x = 16,816.06 × 4,188.84
  4. Step 4: Simplify right side
    11,214.60x = 70,439,784.77
  5. Step 5: Solve for x
    x = 70,439,784.77/11,214.60
  6. Step 6: Final answer
    x = 6,281.08

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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.