Home / 16,696.71-23,009.74-12,221.87

Finding the Fourth Proportional to 16,696.71, 23,009.74 and 12,221.87

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Solution

The fourth proportional to 16,696.71, 23,009.74 and 12,221.87 is: 16,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,696.71 : 23,009.74 = 12,221.87 : x
  2. Step 2: Convert to fraction form
    16,696.71/23,009.74 = 12,221.87/x
  3. Step 3: Cross multiply
    16,696.71x = 23,009.74 × 12,221.87
  4. Step 4: Simplify right side
    16,696.71x = 281,221,905.41
  5. Step 5: Solve for x
    x = 281,221,905.41/16,696.71
  6. Step 6: Final answer
    x = 16,842.95

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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.