Home / 10,808.80-16,190.64-5,598.88

Finding the Fourth Proportional to 10,808.80, 16,190.64 and 5,598.88

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Solution

The fourth proportional to 10,808.80, 16,190.64 and 5,598.88 is: 8,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.80 : 16,190.64 = 5,598.88 : x
  2. Step 2: Convert to fraction form
    10,808.80/16,190.64 = 5,598.88/x
  3. Step 3: Cross multiply
    10,808.80x = 16,190.64 × 5,598.88
  4. Step 4: Simplify right side
    10,808.80x = 90,649,450.48
  5. Step 5: Solve for x
    x = 90,649,450.48/10,808.80
  6. Step 6: Final answer
    x = 8,386.63

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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.