Home / 12,194.39-18,281.63-5,435.02

Finding the Fourth Proportional to 12,194.39, 18,281.63 and 5,435.02

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Solution

The fourth proportional to 12,194.39, 18,281.63 and 5,435.02 is: 8,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.39 : 18,281.63 = 5,435.02 : x
  2. Step 2: Convert to fraction form
    12,194.39/18,281.63 = 5,435.02/x
  3. Step 3: Cross multiply
    12,194.39x = 18,281.63 × 5,435.02
  4. Step 4: Simplify right side
    12,194.39x = 99,361,024.68
  5. Step 5: Solve for x
    x = 99,361,024.68/12,194.39
  6. Step 6: Final answer
    x = 8,148.09

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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.