Home / 18,716.60-28,080.26-6,244.79

Finding the Fourth Proportional to 18,716.60, 28,080.26 and 6,244.79

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Solution

The fourth proportional to 18,716.60, 28,080.26 and 6,244.79 is: 9,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.60 : 28,080.26 = 6,244.79 : x
  2. Step 2: Convert to fraction form
    18,716.60/28,080.26 = 6,244.79/x
  3. Step 3: Cross multiply
    18,716.60x = 28,080.26 × 6,244.79
  4. Step 4: Simplify right side
    18,716.60x = 175,355,178.64
  5. Step 5: Solve for x
    x = 175,355,178.64/18,716.60
  6. Step 6: Final answer
    x = 9,368.96

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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.