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Finding the Fourth Proportional to 17,733.60, 26,600.40 and 12,484.80

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Solution

The fourth proportional to 17,733.60, 26,600.40 and 12,484.80 is: 18,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,733.60 : 26,600.40 = 12,484.80 : x
  2. Step 2: Convert to fraction form
    17,733.60/26,600.40 = 12,484.80/x
  3. Step 3: Cross multiply
    17,733.60x = 26,600.40 × 12,484.80
  4. Step 4: Simplify right side
    17,733.60x = 332,100,673.92
  5. Step 5: Solve for x
    x = 332,100,673.92/17,733.60
  6. Step 6: Final answer
    x = 18,727.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.