Home / 12,438.07-18,645.37-6,192.17

Finding the Fourth Proportional to 12,438.07, 18,645.37 and 6,192.17

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Solution

The fourth proportional to 12,438.07, 18,645.37 and 6,192.17 is: 9,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438.07 : 18,645.37 = 6,192.17 : x
  2. Step 2: Convert to fraction form
    12,438.07/18,645.37 = 6,192.17/x
  3. Step 3: Cross multiply
    12,438.07x = 18,645.37 × 6,192.17
  4. Step 4: Simplify right side
    12,438.07x = 115,455,300.75
  5. Step 5: Solve for x
    x = 115,455,300.75/12,438.07
  6. Step 6: Final answer
    x = 9,282.42

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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.