Home / 18,983.04-26,188.56-12,697.44

Finding the Fourth Proportional to 18,983.04, 26,188.56 and 12,697.44

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Solution

The fourth proportional to 18,983.04, 26,188.56 and 12,697.44 is: 17,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.04 : 26,188.56 = 12,697.44 : x
  2. Step 2: Convert to fraction form
    18,983.04/26,188.56 = 12,697.44/x
  3. Step 3: Cross multiply
    18,983.04x = 26,188.56 × 12,697.44
  4. Step 4: Simplify right side
    18,983.04x = 332,527,669.29
  5. Step 5: Solve for x
    x = 332,527,669.29/18,983.04
  6. Step 6: Final answer
    x = 17,517.09

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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.