Home / 17,549.20-26,311.38-8,777.80

Finding the Fourth Proportional to 17,549.20, 26,311.38 and 8,777.80

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Solution

The fourth proportional to 17,549.20, 26,311.38 and 8,777.80 is: 13,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,549.20 : 26,311.38 = 8,777.80 : x
  2. Step 2: Convert to fraction form
    17,549.20/26,311.38 = 8,777.80/x
  3. Step 3: Cross multiply
    17,549.20x = 26,311.38 × 8,777.80
  4. Step 4: Simplify right side
    17,549.20x = 230,956,031.36
  5. Step 5: Solve for x
    x = 230,956,031.36/17,549.20
  6. Step 6: Final answer
    x = 13,160.49

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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.