Home / 12,150.39-18,228.02-4,359.81

Finding the Fourth Proportional to 12,150.39, 18,228.02 and 4,359.81

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Solution

The fourth proportional to 12,150.39, 18,228.02 and 4,359.81 is: 6,540.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.39 : 18,228.02 = 4,359.81 : x
  2. Step 2: Convert to fraction form
    12,150.39/18,228.02 = 4,359.81/x
  3. Step 3: Cross multiply
    12,150.39x = 18,228.02 × 4,359.81
  4. Step 4: Simplify right side
    12,150.39x = 79,470,682.08
  5. Step 5: Solve for x
    x = 79,470,682.08/12,150.39
  6. Step 6: Final answer
    x = 6,540.59

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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.