Home / 12,193.13-18,289.69-2,959.13

Finding the Fourth Proportional to 12,193.13, 18,289.69 and 2,959.13

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Solution

The fourth proportional to 12,193.13, 18,289.69 and 2,959.13 is: 4,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.13 : 18,289.69 = 2,959.13 : x
  2. Step 2: Convert to fraction form
    12,193.13/18,289.69 = 2,959.13/x
  3. Step 3: Cross multiply
    12,193.13x = 18,289.69 × 2,959.13
  4. Step 4: Simplify right side
    12,193.13x = 54,121,570.37
  5. Step 5: Solve for x
    x = 54,121,570.37/12,193.13
  6. Step 6: Final answer
    x = 4,438.69

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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.