Home / 11,340.07-15,645.55-6,862.12

Finding the Fourth Proportional to 11,340.07, 15,645.55 and 6,862.12

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Solution

The fourth proportional to 11,340.07, 15,645.55 and 6,862.12 is: 9,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.07 : 15,645.55 = 6,862.12 : x
  2. Step 2: Convert to fraction form
    11,340.07/15,645.55 = 6,862.12/x
  3. Step 3: Cross multiply
    11,340.07x = 15,645.55 × 6,862.12
  4. Step 4: Simplify right side
    11,340.07x = 107,361,641.57
  5. Step 5: Solve for x
    x = 107,361,641.57/11,340.07
  6. Step 6: Final answer
    x = 9,467.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.