Home / 11,841.09-16,340.28-7,124.46

Finding the Fourth Proportional to 11,841.09, 16,340.28 and 7,124.46

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Solution

The fourth proportional to 11,841.09, 16,340.28 and 7,124.46 is: 9,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.09 : 16,340.28 = 7,124.46 : x
  2. Step 2: Convert to fraction form
    11,841.09/16,340.28 = 7,124.46/x
  3. Step 3: Cross multiply
    11,841.09x = 16,340.28 × 7,124.46
  4. Step 4: Simplify right side
    11,841.09x = 116,415,623.33
  5. Step 5: Solve for x
    x = 116,415,623.33/11,841.09
  6. Step 6: Final answer
    x = 9,831.50

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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.