Home / 16,696.20-22,994.29-12,905.40

Finding the Fourth Proportional to 16,696.20, 22,994.29 and 12,905.40

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Solution

The fourth proportional to 16,696.20, 22,994.29 and 12,905.40 is: 17,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,696.20 : 22,994.29 = 12,905.40 : x
  2. Step 2: Convert to fraction form
    16,696.20/22,994.29 = 12,905.40/x
  3. Step 3: Cross multiply
    16,696.20x = 22,994.29 × 12,905.40
  4. Step 4: Simplify right side
    16,696.20x = 296,750,362.93
  5. Step 5: Solve for x
    x = 296,750,362.93/16,696.20
  6. Step 6: Final answer
    x = 17,773.53

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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.