Home / 12,134.09-18,205.52-4,237.77

Finding the Fourth Proportional to 12,134.09, 18,205.52 and 4,237.77

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Solution

The fourth proportional to 12,134.09, 18,205.52 and 4,237.77 is: 6,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.09 : 18,205.52 = 4,237.77 : x
  2. Step 2: Convert to fraction form
    12,134.09/18,205.52 = 4,237.77/x
  3. Step 3: Cross multiply
    12,134.09x = 18,205.52 × 4,237.77
  4. Step 4: Simplify right side
    12,134.09x = 77,150,801.19
  5. Step 5: Solve for x
    x = 77,150,801.19/12,134.09
  6. Step 6: Final answer
    x = 6,358.18

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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.