Home / 14,811.39-22,210.39-5,449.81

Finding the Fourth Proportional to 14,811.39, 22,210.39 and 5,449.81

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Solution

The fourth proportional to 14,811.39, 22,210.39 and 5,449.81 is: 8,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.39 : 22,210.39 = 5,449.81 : x
  2. Step 2: Convert to fraction form
    14,811.39/22,210.39 = 5,449.81/x
  3. Step 3: Cross multiply
    14,811.39x = 22,210.39 × 5,449.81
  4. Step 4: Simplify right side
    14,811.39x = 121,042,405.53
  5. Step 5: Solve for x
    x = 121,042,405.53/14,811.39
  6. Step 6: Final answer
    x = 8,172.25

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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.