Home / 11,106.24-15,326.40-6,138.24

Finding the Fourth Proportional to 11,106.24, 15,326.40 and 6,138.24

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Solution

The fourth proportional to 11,106.24, 15,326.40 and 6,138.24 is: 8,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.24 : 15,326.40 = 6,138.24 : x
  2. Step 2: Convert to fraction form
    11,106.24/15,326.40 = 6,138.24/x
  3. Step 3: Cross multiply
    11,106.24x = 15,326.40 × 6,138.24
  4. Step 4: Simplify right side
    11,106.24x = 94,077,121.54
  5. Step 5: Solve for x
    x = 94,077,121.54/11,106.24
  6. Step 6: Final answer
    x = 8,470.65

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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.